He was a bold man that first ate an oyster.

In this age, the man who dares to think for himself and to act independently does a service to his race.

Opportunities don’t often come along. So, when they do, you have to grab them.

If things seem under control, you are just not going fast enough.

The chief danger in life is that you may take too many precautions.

The brave person thinks of themselves last of all.

Satire is a sort of glass, wherein beholders do generally discover everybody's face but their own.

I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.

Wonder is the mother of all science.

The poets and philosophers before me discovered the unconscious; what I discovered was the scientific method by which the unconscious can be studied.

Leaders must understand that some people will inevitably sell out to the evil side. Don't waste your time wondering why; spend your time discovering who.

If I have ever made any valuable discoveries, it has been owning more to patient attention, than to any other talent.

I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that I had not lived.

The greatest revolution of our generation is the discovery that human beings, by changing the inner attitudes of their minds, can change the outer aspects of their lives.

We call first truths those we discover after all the others.