We need to keep hope alive and strive to do better.

The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic

New opinions are always suspected, and usually opposed, without any other reason but because they are not common.

Central banks don't have divine wisdom. They try to do the best analysis they can and must be prepared to stand or fall by the quality of that analysis.

Will and intellect are one and the same thing.

Be less curious about people and more curious about ideas.

Patriotism is the last refuge of a scoundrel.

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

Being sober on a bus is, like, totally different than being drunk on a bus.

I want to put a ding in the universe.

Every time you are tempted to react in the same old way, ask if you want to be a prisoner of the past or a pioneer of the future.

Give up trying to make me give up

A difference of opinion is what makes horse racing and missionaries.

There's nothing in the world so demoralizing as money.

Freedom lies in being bold.

Sanity is a madness put to good uses.

I am not interested in picking up crumbs of compassion thrown from the table of someone who considers himself my master. I want the full menu of rights.

It's better to be unhappy alone than unhappy with someone.

Remember upon the conduct of each depends the fate of all.

I am dying from the treatment of too many physicians.

When it is not in our power to determine what is true, we ought to follow what is most probable.