You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!

A person reveals his character by nothing so clearly as the joke he resents.

I think, therefore I am.

Wisdom... comes not from age, but from education and learning.

You always admire what you really don't understand.

I hear and I forget. I see and I remember. I do and I understand.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

Good means not merely not to do wrong, but rather not to desire to do wrong.

The best revenge is to be unlike him who performed the injury.

The weak can never forgive. Forgiveness is the attribute of the strong.

There is nothing more uncommon than common sense.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

Act as if the maxim of your action were to become through your will a general natural law

A house divided against itself cannot stand.

Wrong life cannot be lived rightly.

The absent are never without fault, nor the present without excuse.

Man is the only creature who refuses to be what he is.

Anywhere you go in the world is what you make of it, not what you read in books.

Men build too many walls and not enough bridges.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.