I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

A man who does not think for himself does not think at all.

A man who does not think for himself does not think at all.

What we think, we become.

What we think, we become.

The most courageous act is still to think for yourself.

The most courageous act is still to think for yourself.

You can fool too many of the people too much of the time.

You can fool too many of the people too much of the time.

There are some days I practice positive thinking, and other days I'm not positive I am thinking.

There are some days I practice positive thinking, and other days I'm not positive I am thinking.

Most people are unable to write because they are unable to think, and they are unable to think because they read more

Most people are unable to write because they are unable to think, and they are unable to think because they congenitally lack the equipment to do so, just as they congenitally lack the equipment to fly over the moon.

Few people think more than two or three times a year; I have made
an international reputation for myself read more

Few people think more than two or three times a year; I have made
an international reputation for myself by thinking once or twice
a week.

Many men owe the grandeur of their lives to the tremendous difficulties

Many men owe the grandeur of their lives to the tremendous difficulties