The sweet simplicity of the three percents.

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.

There can never be peace between nations until there is first known that true peace which... is within the souls of men.

A symptom, " Brendan said, as if love were a disease only humans could catch. But there was something like fondness or respect in his voice. "You're both fools.

Life is not a competition.There is enough work for everybody. Find your passion and fulfill it.

Every improvement in communication makes the bore more terrible.

Can't you see, Amber? Losing you would be like a stake to my heart.

By turning every Yahoo search box into a Bing box, Microsoft may have bought itself the exposure it needs to be the next Google.

Speculation is perfectly all right, but if you stay there you've only founded a superstition. If you test it, you've started a science.

A terrible animal, indeed, is an unbridled woman.

So I am happy to have fans, especially if it enables me to keep working. And I am really grateful when people respond to my work.

I see this as my humanitarian legacy. We're prepared to pay billions.