All my successes have been built on my failures.

Never apologize for showing feeling. When you do so, you apologize for the truth.

The secret of success is constancy of purpose.

Cleanliness and order are not matters of instinct; they are matters of education, and like most great things, you must cultivate a taste for them.

Nurture your mind with great thoughts, for you will never go any higher than you think.

Action may not always bring happiness; but there is no happiness without action.

Courage is fire, and bullying is smoke.

One secret of success in life is for a man to be ready for his opportunity when it comes.

Time is precious, but truth is more precious than time.

Never complain and never explain.

Finality is not the language of politics.

...power doesn’t shift. Power is resolute. It is the mountain, not the wind. To shift so easily is to lose trust.

He who knows Mars, Venus, Mercury or Jupiter very well will also know very well how very precious our earth is!

they'd become unaccustomed to the brightness of their own city, and, faced with it now in all its intensity, they cupped their hands over their eyes as if staring into the sun.

We can only be responsible for what we ourselves do.

I don't see myself as a violent guy.

I want you to be afraid to turn the page (and to do that) you need to show right from the beginning that you're playing for keeps.

I don't like walking in the street and seeing 30,000 copies of myself.

[Donald Trump] doesn't have the money to run commercials and I launched into a tirade on money in politics.

My weight doesn't really fluctuate, but I make sure I don't eat late at night. It's about making sure I'm right physically because mentally I'm OK.

I never think I am successful. If I am successful, then I should be retired. If I am not retired, then that means I should still be working hard, keeping the company running.