Of the 200 light bulbs that didn't work, every failure told me something that I was able to incorporate into the next attempt.

I love great music and art, but I think 'cubist' songs and paintings are hideous.

The first requisite of success is the ability to apply your physical and mental energies to one problem without growing weary.

A genius is a talented person who does his homework.

I am so deaf I am debarred from hearing all the time articulation and have to depend on the judgment of others.

The value of a good idea is in using it.

We will make electricity so cheap that only the rich will burn candles.