The greatest weapon against stress is our ability to choose one thought over another.

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%.

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

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.

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.

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

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.

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.

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

There is virtue in work and there is virtue in rest. Use both and overlook neither.

Tension is who you think you should be. Relaxation is who you are.

It is easy in the world to live after the world’s opinion; it is easy in solitude to live after our own; but the great man is he who in the midst of the crowd keeps with perfect sweetness the independence of solitude.

I love people. I love my family, my children… but inside myself is a place where I live all alone and that’s where you renew your springs that never dry up.

Self-control is strength. Right thought is mastery. Calmness is power.

It is hard to fight desire; but to control it is the sign of a reasonable man.

If everyone is thinking alike, then somebody isn't thinking.

You are the only person who thinks in your mind. You are the power and authority in your world.

Do not stop thinking of life as an adventure. You have no security unless you live bravely, excitingly, imaginatively.

It is not reason which is the guide of life, but custom.

Where the senses fail us, reason must step in.

You don’t have to depend on any material possessions, they depend on you, you create them, you own the one and only tool of production.

Drag your thoughts away from your troubles… by the ears, by the heels, or any other way you can manage it.