It is better to serve like steel than rust and wither away like iron.
For it is commonly said: accomplished labours are pleasant.
I'm not the smartest fellow in the world, but I can sure pick smart colleagues.
Only you can control your future.
There is nothing impossible to him who will try.
I've always found the second book in a series is the hardest to write.
One must be sane to think clearly, but one can think deeply and be quite insane.
One can have no smaller or greater mastery than mastery of oneself.
The only 'break' anyone can afford to rely upon is a self-made 'break'.
Advertising is legalized lying.
For a man to conquer himself is the first and noblest of all victories.
I don't like that man. I must get to know him better.
There is one weakness in people for which there is no remedy. It is the universal weakness of lack of ambition.
Deadlines just aren't real to me until I'm staring one in the face.
It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there
I've always thought anyone can make money. Making a life worth living, that's the real test.
The secret of success is constancy to purpose.
Find out what you really love to do, and then find a way to make a good living doing it.
Try not to become a man of success but rather to become a man of value.
I don't want to achieve immortality through my work... I want to achieve it through not dying.
Work does not kill a man, it is worry, irregularity and uncertainty that kill.