The greatest mistake you can make is to be continually fearing you will make one.

The greatest mistake you can make is to be continually fearing you will make one.

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.

A mistake is always forgivable, rarely excusable and always unacceptable.

A mistake is always forgivable, rarely excusable and always unacceptable.

The price of inaction is far greater than the cost of making a mistake.

The price of inaction is far greater than the cost of making a mistake.

He that speaks much, is much mistaken.

He that speaks much, is much mistaken.

Not admitting a mistake is a bigger mistake.

Not admitting a mistake is a bigger mistake.

Making a different mistake every day is not only acceptable, it is the definition of progress.

Making a different mistake every day is not only acceptable, it is the definition of progress.

You cannot step into the same river twice.

You cannot step into the same river twice.

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.