Know me for my ability, not my identity.

Patience is not simply the ability to wait – it’s how we behave while we’re waiting.

The question, 'Who ought to be boss?' is like asking 'Who ought to be the tenor in a quartet?' Obviously, the man who can sing tenor.

Music has healing power. It has the ability to take people out of themselves for a few hours.

The man who acquires the ability to take full possession of his own mind may take possession of everything else to which he is justly entitled.

The average person puts only 25% of his energy and ability into his work. The world takes off its hat to those who put in more than 50% of their capacity, and stands on its head for those few and far between souls who devote 100%.

The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.

To be granted some kind of usable talent and to be able to use it to the fullest extent of which you are capable—this, to me, is a kind of joy that is almost unequaled.

Our ability to reach unity in diversity will be the beauty and the test of our civilization.