The friend must be like money, that before you need it, the value is known.

The only true wisdom is in knowing you know nothing.

Falling down is not a failure. Failure comes when you stay where you have fallen.

When the debate is lost, slander becomes the tool of the loser.

The secret of happiness, you see, is not found in seeking more, but in developing the capacity to enjoy less.

I know that I am intelligent, because I know that I know nothing.

Awareness of ignorance is the beginning of wisdom.

There is no possession more valuable than a good and faithful friend.

True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us.

If you want to be wrong then follow the masses.

I am a Citizen of the World, and my Nationality is Goodwill.

Never having seen women play chess, they assumed this game wasn't for them and without even a female teacher as role model, they dropped out.

Enthusiasm is the elixir of life.

Forgiveness is a comfort, but it doesn't bring back what you lost

This is not the person I wanted to become: Hatred has carved a permanent place inside me, a hollow where things are so easily lost.

It is often the failure who is the pioneer in new lands new undertakings and new forms of expression.

Sometimes the people we meet change us forever.

I think change is always scary but also always good.

There’s no democratic state that’s not compromised to the very core by its part in generating human misery.

You go to school to figure out who you want to be and how you can do it, and [maybe] I should have, because the films would probably be technically better.

In five years' time at this pace global warming becomes irreversible.