I think it is a man's duty to make all the money he can, keep all that he can and give away all that he can.

I'm glad I wrote the book to show what I found out about the [ Standard Oil Company]. I'm glad many people read my book and found out the truth.

Competition is a sin.

I never said that I wanted to be the only company, is it my fault that I ran my company well? Wouldn't you want the best for your company? Also consider that I started of small.

It is wrong to assume that men of immense wealth are always happy.

When a man has accumulated a sum of money, accumulated it within the law, the Government has no right to share in its earnings.

Giving is the secret to a healthy life. Not necessarily money, but whatever a person has to give of encouragement, sympathy, and understanding.