“Do not many of us who fail to achieve big things fail because we lack concentration-the art of concentrating the mind on the thing to be done at the proper time and to the exclusion of everything else?”

I was trained from the beginning to work, to save. I have always regarded it a as a religious duty to get all I could honorably and to give all I could.

The impression was gaining ground with me that it was a good thing to let the money be my slave and not make myself a slave to money.

I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.

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.

Save when you can and not when you have to.

God gave me my money.

The success of each is dependent upon the success of the other.

Competition is a sin.

Success comes from keeping the ears open and the mouth closed.

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

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.

Capital and labor are both wild forces which require intelligent legislation to hold them in restriction.

There is no feeling in this world to be compared with self-reliance–do not sacrifice that to anything else.

The secret of success is to get up early, work late and strike oil.

The task is simple. We will organize children and teach them in a perfect way the things their fathers and mothers are doing in an imperfect way.

I cheat my boys every chance I get. I trade with the boys and skin ’em and I just beat ’em every time I can. I want to make ’em sharp.

Absolute trust is something hard to achieve even in a family, and it is much harder to achieve on an international level.

Absolute trust is something hard to achieve even in a family, and it is much harder to achieve on an international level.

I had the time of my life with you Glendale, Arizona.

As women achieve power, the barriers will fall.

The whole world recognizes Russia’s cultural achievements. It is impossible to imagine the world culture without Russian culture, without our music and literature.

Despite all the achievements of civilisation, the human being is still one of the most vulnerable creatures on earth.

I can be 100 years old but I will always be proud to say I was in Harry Potter.

Optimism is the faith that leads to achievement .