Learn this from the waters:
in mountain clefts and chasms,
loud gush the streamlets,
but great rivers flow silently.

Sutta Nipata 720

Mind precedes all things;
mind is their chief, mind is their maker.
If one speaks or does a deed
with a mind that is pure within,
happiness then follows along
like a never departing shadow.

Dhammapada 1

Hate brings great misfortune,
hate churns up and harms the mind;
this fearful danger deep within
most people do not understand.

Itivuttaka 84

Overcome the angry by non-anger; 
overcome the wicked by goodness; 
overcome the miser by generosity; 
overcome the liar by truth. 

Dhammapada 223

By love they will quench the fire of hate,
by wisdom the fire of delusion.
Those supreme ones extinguish delusion
with wisdom that breaks through to truth.

Itivuttaka 93

The fool thinks he has won a battle
when he bullies with harsh speech,
but knowing how to be forbearing
alone makes one victorious.

Samyutta Nikaya I, 163

Those who mistake the unessential to be essential 
and the essential to be unessential, 
dwelling in wrong thoughts, 
never arrive at the essential. 

Dhammapada 11

If a man going down into a river, 
swollen and swiftly flowing, 
is carried away by the current -- 
how can he help others across? 

Sutta Nipata II, 8

Difficult is life for the modest one 
who always seeks purity, 
is detached and unassuming,
clean in life, and discerning. 

Dhammapada 245

Who gives, his virtues shall increase;
Who is self-curbed, no hatred bears;
Whoso is skilled in virtue, evil shuns,
And by the rooting out of lust and hate
And all delusion, comes to be at peace.

Digha Nikaya, 16

The worse of the two is he
who, when abused, retaliates.
One who does not retaliate
wins a battle hard to win.

Samyutta Nikaya I, 162

Slay anger and you will be happy,
slay anger and you will not sorrow.
For the slaying of anger in all its forms
with its poisoned root and sweet sting-
that is the slaying the nobles praise;
with anger slain one weeps no more.

Samyutta Nikaya I, 161

Having killed anger you sleep in ease.
Having killed anger you do not grieve.
The noble ones praise the slaying of anger
-- with its honeyed crest & poison root --
for having killed it you do not grieve.

Samyutta Nikaya II, 70

Generosity, kind words,
doing a good turn for others,
and treating all people alike:
these bonds of sympathy are to the world
what the lynch-pin is to the chariot wheel.

Anguttara Nikaya II, 32

If one, longing for sensual pleasure,
achieves it, yes, he's enraptured at heart.
The mortal gets what he wants.
But if for that person -- longing, desiring --
the pleasures diminish,
he's shattered, as if shot with an arrow.

Sutta Nipata IV, 1

Wisdom springs from meditation;
without meditation wisdom wanes.
Having known these two paths of progress and decline,
let a man so conduct himself that his wisdom may increase.

Dhammapada 282

Solitude is happiness for one who is content,
who has heard the Dhamma and clearly sees.
Non-affliction is happiness in the world-
harmlessness towards all living beings.

Udana 10

One should give up anger, 
renounce pride, and overcome all fetters. 
Suffering never befalls him 
who clings not to mind and body and is detached. 

Dhammapada 221

To avoid all evil, 
to cultivate good, 
and to purify one's mind-
this is the teaching of the Buddhas. 

Dhammapada 183

Though one may conquer 
a thousand times a thousand men in battle, 
yet he indeed is the noblest victor 
who conquers himself. 

Dhammapada 103

He should not kill a living being, 
nor cause it to be killed, 
nor should he incite another to kill. 
Do not injure any being, either strong or weak, in the world. 

Sutta Nipata II,14

The friend who is a helpmate,
the friend in happiness and woe,
the friend who gives good counsel,
the friend who sympathises too -- 
these four as friends the wise behold
and cherish them devotedly
as does a mother her own child. 

Digha Nikaya 31

One is not low because of birth
nor does birth make one holy.
Deeds alone make one low,
deeds alone make one holy.

Sutta Nip.ta 1.136

Though all one's life a fool associates with a wise person,
one no more comprehends the Truth
than a spoon tastes the flavor of the soup.

Dhammapada 5.64

Well done is that action of doing
which one repents not later,
and the fruit of which,
one reaps with delight and happiness.

Dhammapada 5.68

Agony now, agony hereafter,
the wrong-doer suffers agony in both worlds.
Agonized now by the knowledge that one has done wrong,
one suffers more agony, gone to a state of woe.

Rejoicing now, rejoicing hereafter,
the doer of wholesome actions rejoices in both worlds.
Rejoicing now in the knowledge that one has acted rightly,
one rejoices more, gone to a state of bliss.

Dhammapada 1.17, 1.18

Of all the fragrances --
sandal, tagara, blue lotus and jasmine --
the fragrance of virtue is the sweetest.

Dhammapada 4.55

The past should not be followed after,
and the future not desired;
what is past is dead and gone,
and the future is yet to come.

Majjhima Nikāya 3.272

Train yourself in doing good
that lasts and brings happiness.
Cultivate generosity, the life of peace,
and a mind of boundless love.

Itivuttaka 1.22

O house-builder, you are seen!
You will not build this house again.
For your rafters are broken and your ridgepole shattered.
My mind has reached the Unconditioned;
I have attained the destruction of craving.

Dhammapada 11.154

May all creatures, all living things,
all beings one and all,
experience good fortune only.
May they not fall into harm.

Aṅguttara Nikāya 4.67

Happy indeed we live,
friendly amidst the hostile.
Amidst hostile people
we dwell free from hatred.

Dhammapada 15.197

Just as rust arising from iron
eats away the base from which it arises,
even so, their own deeds
lead transgressors to states of woe.

Dhammapada 18.240

Easy to do are things
that are bad and harmful to oneself.
But exceedingly difficult to do
are things that are good and beneficial.

Dhammapada 12.163

Should a seeker not find
a companion who is better or equal,
let one resolutely pursue a solitary course;
there is no fellowship with the fool.

Dhammapada 5.61

Those who are devoted to the Dhamma made known by the Noble Ones
are unsurpassed in speech, thought and action.
They are established in peace, gentleness and concentration,
and have reached the essence of learning and wisdom.

Sutta Nipāta 3.332

The entire world is in flames,
the entire world is going up in smoke;
the entire world is burning,
the entire world is vibrating.
But that which does not vibrate or burn,
which is experienced by the noble ones,
where death has no entry--
in that my mind delights.

Saṃyutta Nikāya 1.168