An inventor is someone who makes another man rich.

I ... began my career as a wireless amateur. After 43 years in radio, I do not mind confessing that I am still an amateur. Despite many great achievements in the science of radio and electronics, what we know today is far less than what we have still to learn.

Let us not paralyze our capacity for good by brooding of man's capacity for evil.

The thrill, believe me, is as much in the battle as in the victory.

A life that hasn't a definite plan is likely to become driftwood.

No man can be successful, unless he first loves his work.

If we are to become the masters of science, not its slaves, we must learn to use its immense power to good purpose. The machine itself has neither mind nor soul nor moral sense. Only man has been endowed with these godlike attributes. Every age has its destined duty. Ours is to nurture an awareness of those divine attributes and a sense of responsibility in giving them expression.