Colorless green ideas sleep furiously

Good advice is always certain to be ignored, but that's no reason not to give it.

Experience is merely the name men gave to their mistakes.

The first method for estimating the intelligence of a ruler is to look at the men he has around him.

A perfection of means, and confusion of aims, seems to be our main problem.

One new feature or fresh take can change everything.

Knowledge speaks, but wisdom listens

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

Stupidity is a talent for misconception.

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

Real knowledge is to know the extent of one's ignorance.

Be curious, not judgmental.

In anger we should refrain both from speech and action.

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

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.

Do your little bit of good where you are; it's those little bits of good put together that overwhelm the world.

Empty your cup so that it may be filled; become devoid to gain totality.

Those who know, do. Those that understand, teach.