I think that Ingersoll had all the attributes of a perfect man, and, in my opinion, no finer personality ever existed. Judging from the past, I cannot help thinking that the intention of the Supreme Intelligence that rules the world is to ultimately make such a type of man universal.

Nature is truly wonderful. Only man is truly foul.

I am much less interested in what is called God's word than in God's deeds. All bibles are man-made.

I start where the last man left off. What the mind of man can conceive and believe, the mind of a man can achieve.

A man’s best friend is a good wife.

The inventor can't do it all, you've got to change people. We have an enormous capacity to invent super-machinery. But our desire to install the device is weak. Human inertia is the problem, not invention. Something in man makes him resist change.

The man who doesn’t make up his mind to cultivate the habit of thinking misses the greatest pleasure in life.

There cannot be overproduction of anything which men and women want. And their wants are unlimited, except by the size of their stomachs.

My mind is incapable of conceiving such a thing as a soul. I may be in error, and man may have a soul; but I simply do not believe it.