The unproductive tillage of human cattle takes that which of right belongs to free labor and which is necessary for the support and happiness of our own race.

Heaven takes care that no man secures happiness by crime.

I see happiness as a by-product. I don't think you can pursue happiness. I think that phrase is one of the very few mistakes the Founding Fathers made.

It takes great wit and interest and energy to be happy. The pursuit of happiness is a great activity. One must be open and alive. It is the greatest feat man has to accomplish.

Maturity - among other things the unclouded happiness of the child at play who takes it for granted that he is at one with his play-mates.

No man chooses evil because it is evil he only mistakes it for happiness the good he seeks.

Love is that condition in which the happiness of another person is essential to your own... Jealousy is a disease love is a healthy condition. The immature mind often mistakes one for the other or assumes that the greater the love the greater the jealousy.

Mistakes are part of the game. It's how well you recover from them that's the mark of a great player.

I think making mistakes and discovering them for yourself is of great value but to have someone else to point out your mistakes is a shortcut of the process.

A leader takes people where they want to go. A great leader takes people where they don't necessarily want to go but ought to be.