Any man is liable to err, only a fool persists in error.
Marcus Tullius Cicero
The cautious seldom err.
Confucius
To err is human, but to really foul things up you need a computer.
Paul R. Ehrlich
Freedom is not worth having if it does not connote freedom to err.
Mahatma Gandhi
To err is human; to admit it, superhuman.
Doug Larson
To err is human; to forgive, divine.
Alexander Pope
To err is human, to purr feline.
Robert Byrne
To err is human. To blame someone else is politics.
Hubert H. Humphrey