A man's errors are his portals of discovery.

A man's errors are his portals of discovery.

Every man is his own greatest enemy, and as it were his own
executioner.

Every man is his own greatest enemy, and as it were his own
executioner.

The enemies you make by taking a decided stand generally have more respect for you than the friends you make read more

The enemies you make by taking a decided stand generally have more respect for you than the friends you make by being on the fence

Our enemies will tell the rest with pleasure.

Our enemies will tell the rest with pleasure.

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.

You and I were long friends; you are now my enemy, and I am
yours.

You and I were long friends; you are now my enemy, and I am
yours.

I have met the enemy, and it is the eyes of other people.

I have met the enemy, and it is the eyes of other people.

Do not brood over your past mistakes and failures as this will only fill your mind with grief, regret and read more

Do not brood over your past mistakes and failures as this will only fill your mind with grief, regret and depression. Do not repeat them in the future.

You cannot step into the same river twice.

You cannot step into the same river twice.