The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?

We are too prone to make technological instruments the scapegoats for the sins of those who wield them. The products of modern science are not in themselves good or bad; it is the way they are used that determines their value.

We cannot banish dangers, but we can banish fears. We must not demean life by standing in awe of death.

Freedom is the oxygen without which science cannot breathe.

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.

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

The will to persevere is often the difference between failure and success.