No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.

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

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

If one does not know to which port one is sailing, no wind is favorable.

Being good in business is the most fascinating kind of art. Making money is art and working is art and good business is the best art.

It usually takes me more than three weeks to prepare a good impromptu speech.

There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

If you cannot work with love but only with distaste, it is better that you should leave your work.

A budget tells us what we can't afford, but it doesn't keep us from buying it.

Effort only fully releases its reward after a person refuses to quit.