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

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

Never interrupt your enemy when he is making a mistake.

Never interrupt your enemy when he is making a 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.

Mistakes are the usual bridge between inexperience and wisdom.

Mistakes are the usual bridge between inexperience and wisdom.

A man of genius makes no mistakes; his errors are volitional and are the portals of discovery.

A man of genius makes no mistakes; his errors are volitional and are the portals of discovery.

A person who never made a mistake never tried anything new.

A person who never made a mistake never tried anything new.

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.

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.