Success is going from failure to failure without loss of enthusiasm.

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

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

Action is the foundational key to all success.

Boredom is one of the most blissful feelings.

What I cannot create, I do not understand.

Anticipate the difficult by managing the easy

He who thinks little errs much

Either you run the day or the day runs you.

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

Practice does not make perfect. Perfect practice makes perfect.

I'm a greater believer in luck, and I find the harder I work the more I have of it

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.

To invent, you need a good imagination and a pile of junk.

Try not to become a man of success but rather to become a man of value.

Without a sense of urgency, desire loses its value.

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.

Leadership and learning are indispensable to each other.

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

The way to get started is to quit talking and begin doing.

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