One important key to success is self-confidence. An important key to self-confidence is preparation.

The history of the world is full of men who rose to leadership, by sheer force of self-confidence, bravery and tenacity.

Self-confidence is the result of a successfully survived risk.

True it is that she who escapeth safe and unpolluted from out the school of freedom, giveth more confidence of herself than she who comet sound out of the school of severity and restraint.

I have great faith in fools; My friends call it self-confidence.

Do not attempt to do a thing unless you are sure of yourself; but do not relinquish it simply because someone else is not sure of you.