There is little success where there is little laughter.

Change yourself and your work will seem different.

Thought, backed by strong desire, has a tendency to transmute itself into its physical equivalent.

The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.

Find out what you really love to do, and then find a way to make a good living doing it.

It is your decisions, and not your conditions, that determine your destiny.

One must be sane to think clearly, but one can think deeply and be quite insane.

Old Professors never die, they just lose their faculties.

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

If you are five minutes early, you are already ten minutes late.

It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.

Many people would no more think of entering journalism than the sewage business - which at least does us all some good.

What I cannot create, I do not understand.

Workers of the world unite; you have nothing to lose but your chains.

I will prepare and some day my chance will come.

For it is commonly said: accomplished labours are pleasant.

We don't know a millionth of one percent about anything.

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

He who will not economize will have to agonize.

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

Good actions give strength to ourselves and inspire good actions in others.