There is a better way for everything. Find it.

I believe that the motion picture is destined to revolutionize our educational system and that in a few years it will supplant largely, if not entirely, the use of textbooks.

Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.

The United States, and other advanced nations, will someday be able to produce instruments of death so terrible the world will be in abject terror of itself and its ability to end civilization.... Such war-making weapons should be developed - but only for purposes of discovery and experimentation

I will not say I failed 1000 times, I will say that I discovered there are 1000 ways that can cause failure

Large portions of life's disappointments are individuals who did not understand that they were so near achievement when they surrendered.

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.