Never make excuses. Your friends don't need them and your foes won't believe them.

The superior man understands what is right; the inferior man understands what will sell.

I readily absorb ideas from every source, frequently starting where the last person left off

We struggle with the complexities and avoid the simplicities.

True progress quietly and persistently moves along without notice.

Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.

For it is commonly said: accomplished labours are pleasant.

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

The only 'break' anyone can afford to rely upon is a self-made 'break'.

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

For a man to conquer himself is the first and noblest of all victories.

Effective communication is 20% what you know and 80% how you feel about what you know.

Four things for success: work and pray, think and believe.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Only put off until tomorrow what you are willing to die having left undone

What one has to do usually can be done.

Boredom is one of the most blissful feelings.

You don't get paid for the hour. You get paid for the value you bring to the hour.

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

There is but one dependable method of accumulating and legally holding riches, and that is by rendering useful service.

You can observe a lot just by watching.