Don't mistake activity with achievement.

It is hard to fail, but it is worse never to have tried to succeed.

At least with me, the match starts much, much earlier than the actual match.

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

For it is commonly said: accomplished labours are pleasant.

I never pick up an item without thinking of how I might improve it.

Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

Genius is eternal patience.

A person who never made a mistake never tried anything new.

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.

If everyone is moving forward together, then success takes care of itself.

What one has to do usually can be done.

If you aim at nothing, you will hit it every time.

Sell a man a fish, he eats for a day, teach a man how to fish, you ruin a wonderful business opportunity.

If I had eight hours to chop down a tree, I'd spend six hours sharpening my axe.

Kill my boss? Do I dare live out the American dream?

Old Professors never die, they just lose their faculties.

Success comes to those who become success conscious. Failure comes to those who indifferently allow themselves to become failure conscious.

If you are the master be sometimes blind, if you are the servant be sometimes deaf.

Get around people who have something of value to share with you. Their impact will continue to have a significant effect on your life long they have departed.

God sells us all things at the price of labor.