Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the harnessing of human nature to human needs.

Most certainly, some planets are not inhabited, but others are, and among these there must exist life under all conditions and phases of development.

Anti-social behavior is a trait of intelligence in a world full of conformists.

The last 29 days of the month are the toughest!

All the great religions contain wise prescriptions relating to the conduct of life, which hold good now as they did when they were promulgated.

I predict that very shortly the old-fashioned incandescent lamp, having a filament heated to brightness by the passage of electric current through it, will entirely disappear.

The progressive development of man is vitally dependent on invention.