Most people have no concept of how an automatic transmission works, yet they know how to drive a car. You don't have to study physics to understand the laws of motion to drive a car. You don't have to understand any of this stuff to use Macintosh.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

God may be subtle, but he isn't plain mean.

Strength does not come from physical capacity. It comes from an indomitable will.

I measure the progress of a community by the degree of progress which women have achieved.

The shepherd drives the wolf from the sheep's throat, for which the sheep thanks the shepherd as his liberator, while the wolf denounces him for the same act as the destroyer of liberty. Plainly, the sheep and the wolf are not agreed upon a definition of liberty.

Enlightenment is the ultimate destination of the spiritual path.

Our duty is to encourage every one in his struggle to live up to his own highest idea, and strive at the same time to make the ideal as near as possible to the Truth.

If you're going through hell, keep going. 

You ask me if I keep a notebook to record my great ideas. I've only ever had one.

It ain't as bad as you think. It will look better in the morning.

Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery.