Gentleness is strength under control. It is the ability to stay calm, no matter what happens.

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 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.

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.

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

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

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.

Out of your vulnerabilities will come your strength.

Peace is not the absence of war, but a virtue based on strength of character.

Stand up to your obstacles and do something about them. You will find that they haven't half the strength you think they have.

The strength and power of a country depends absolutely on the quantity of good men and women in it.

Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.

It cannot be your duty to do anything that is beyond your reach or your strength at the moment. It cannot be your duty to do anything that sacrifices your own integrity or your own spiritual development.

What though strength fails? Boldness is certain to win praise. In mighty enterprises, it is enough to have had the determination.

Old age is no place for sissies.