I have not failed. I've just found 10,000 ways that won't work.

There is no substitute for hard work.

We often miss opportunity because it's dressed in overalls and looks like work

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

The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.

The reason a lot of people do not recognize opportunity is because it usually goes around wearing overalls looking like hard work.