People are very open-minded about new things as long as they're exactly like the old ones.

problem well stated is a problem half-solved.

It is man's destiny to ponder on the riddle of existence and, as a by-product of his wonderment to create a new life on earth.

Failures, repeated failures are finger posts on the road to achievement. One fails forward toward success.

You can be sincere and still be stupid.

The only difference between a problem and a solution is that people understand the solution.

Don't be afraid to stumble. Any inventor will tell you that you don't follow a plan far before you strike a snag. If, out of 100 ideas you get one that works, it's enough.

We work day after day, not to finish things; but to make the future better ... because we will spend the rest of our lives there.

The difference between intelligence and an education is this-that intelligence will make you a good living.

One fails forward toward success.