Animals, whom we have made our slaves, we do not like to consider our equal.

A lot of people don't realize that depression is an illness. I don't wish it on anyone, but if they would know how it feels, I swear they would think twice before they just shrug it.

Courage is grace under pressure.

Effective action is always unjust.

An intellectual is a man who doesn't know how to park a bike.

I like to think of myself at home in the armchair, writing, smoking and occasionally wandering down the shop.

Women have the right to work wherever they want, as long as they have the dinner ready when you get home.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

If you follow every dream, you might get lost.

There is no limit to the amount of good you can do if you don't care who gets the credit.

The future belongs to those who believe in the beauty of their dreams.

The bat thought I was giving him the kiss of life!

When we are no longer able to change a situation - we are challenged to change ourselves.

Character is like a tree and reputation like a shadow. The shadow is what we think of it; the tree is the real thing.

I will not let anyone walk through my mind with their dirty feet.

Abuse of words has been the great instrument of sophistry and chicanery, of party, faction, and division of society.

Courage is not simply one of the virtues, but the form of every virtue at the testing point.

Forewarned, forearmed. To be prepared is half the victory.

I got rabies shots for biting the head off a bat but that`s OK - the bat had to get Ozzy shots.

Each soul is potentially divine.

Sanity is a madness put to good uses.