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.

To do much clear thinking a person must arrange for regular periods of solitude when they can concentrate and indulge the imagination without distraction.

Education isn't play--and it can't be made to look like play. It is hard, hard work. But it can be made interesting work.

There is a better way to do it - Find it!

I think that Ingersoll had all the attributes of a perfect man, and, in my opinion, no finer personality ever existed. Judging from the past, I cannot help thinking that the intention of the Supreme Intelligence that rules the world is to ultimately make such a type of man universal.

Your worth consists in what you are and not in what you have.

Not only will atomic power be released, but someday we will harness the rise and fall of the tides and imprison the rays of the sun.