Good nature is the cheapest commodity in the world, and love is the only thing that will pay ten percent to both borrower and lender.

Cruelty hardens and degrades, kindness reforms and ennobles.

All religion is slavery.

My heart was filled with gratitude, with thankfulness, and went out in love to all the heroes, the thinkers who gave their lives for the liberty of hand and brain... to all the wise, the good, the brave of every land, whose thoughts and deeds have given freedom to the sons of men. And then I vowed to grasp the torch that they had held, and hold it high, that light might conquer darkness still.

Whoever increases the sum of human joy, is a worshiper. He who adds to the sum of human misery, is a blasphemer.

In the republic of mediocrity, genius is dangerous.

Many people think they have religion when they are troubled with dyspepsia.