If you don't make mistakes, you're not working on hard enough problems. And that's a big mistake.

If you don't make mistakes, you're not working on hard enough problems. And that's a big mistake.

Forget mistakes. Forget failures. Forget everything except what you're going to do now and do it.

Forget mistakes. Forget failures. Forget everything except what you're going to do now and do it.

One must be a god to be able to tell successes from failures without making a mistake.

One must be a god to be able to tell successes from failures without making a mistake.

A man who has committed a mistake and doesn't correct it is committing another mistake.

A man who has committed a mistake and doesn't correct it is committing another mistake.

A man's errors are his portals of discovery.

A man's errors are his portals of discovery.

An error is the more dangerous in proportion to the degree of truth which it contains.

An error is the more dangerous in proportion to the degree of truth which it contains.

Success seems to be connected with action. Successful people keep moving. They make mistakes, but they don't quit.

Success seems to be connected with action. Successful people keep moving. They make mistakes, but they don't quit.

If you shut the door to all errors, truth will be shut out.

If you shut the door to all errors, truth will be shut out.

Never interrupt your enemy when he is making a mistake.

Never interrupt your enemy when he is making a mistake.