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

There is little success where there is little laughter.

Our greatest glory is not in never failing, but in rising up every time we fail.

If you don't have time to do it right, when will you have the time to do it over?

There is one weakness in people for which there is no remedy. It is the universal weakness of lack of ambition.

Please all, and you will please none.

We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

'To Start Press Any Key'. Where's the ANY key?

The production of too many useful things results in too many useless people.

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

Success is having a flair for the thing that you are doing, knowing that is not enough, that you have got to have hard work and a sense of purpose.

It is a cursed evil to any man to become as absorbed in any subject as I am in mine

Work does not kill a man, it is worry, irregularity and uncertainty that kill.

Percentages are why I am rich.

It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there

I hope that I may always desire more than I can accomplish.

Success is liking yourself, liking what you do, and liking how you do it.

If you wish success in life, make perseverance your bosom friend, experience your wise counselor, caution your elder brother and hope your guardian genius.

Eighty percent of success is showing up.

If you try to be anyone but yourself, you will fail; if you are not true to your own heart, you will fail. Then again, there's no success like failure

Purity, patience, and perseverance are the three essentials to success and, above all, love.