I did not fail two thousand times. I merely found two thousand ways not to make a lightbulb.

I know of over 3,000 ways [that] a light bulb does not work.

I am both pleased but astonished by the fact that mankind has not yet begun to use all the means and devices that are available for destruction. I hope that such weapons are never manufactured in quantity.

Consider data without prejudice.

Everything comes to him who hustles while he waits.

Youth doesn't take advice.

A diamond is a piece of coal that stuck to the job