There is nothing more difficult to carry out, nor more doubtful of success, nor more dangerous to handle, that to institute a new order of things

Don't ever promise more than you can deliver, but always deliver more than you promise.

If your business is only to sweep a crossing, remember it is your duty to make that crossing the best swept of the world.

Work and worship are necessary to take away the veil, to lift off the bondage and illusion.

Price is what you pay. Value is what you get.

Speak softly and carry a big stick; you will go far.

When things go wrong don't go with them

Don't gamble; take all your savings and buy some good stock and hold it till it goes up, then sell it. If it don't go up, don't buy it.

People refuse to take chances in business, because they fear the criticism which may follow if they fail.

If youre in the luckiest one per cent of humanity, you owe it to the rest of humanity to think about the other 99 per cent.

The secret of success is constancy to purpose.

Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

I have not failed. I've just found 10,000 ways that won't work.

Inspiration exists, but it has to find you working.

I've always thought anyone can make money. Making a life worth living, that's the real test.

Old Professors never die, they just lose their faculties.

To solve any problem, here are three questions to ask yourself: First, what could I do? Second, what could I read? And third, who could I ask?

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

To know what people really think, pay regard to what they do, rather than what they say.

Deadlines just aren't real to me until I'm staring one in the face.

Rich people have small TVs and big libraries, and poor people have small libraries and big TVs.