The great trouble is that the preachers get the children from six to seven years of age and then it is almost impossible to do anything with them.

Five percent of the people think; ten percent of the people think they think; and the other eighty-five percent would rather die than think.

It has been just so in all my inventions. The first step is an intuition-and comes with a burst, then difficulties arise. This thing that gives out and then that-"Bugs"as such little faults and difficulties are called show themselves and months of anxious watching, study and labor are requisite before commercial success-or failure-is certainly reached.

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

Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.

We are like tenant farmers chopping down the fence around our house for fuel when we should be using Nature's inexhaustible sources of energy - sun, wind and tide. ... I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that.

I have never seen the slightest scientific proof of the religious ideas of heaven and hell, of future life for individuals, or of a personal God.