The construction of the universe is certainly very much easier to explain than is that of the plant.

If all mankind were suddenly to practice honesty, many thousands of people would be sure to starve.

I am convinced we do not only love ourselves in others but hate ourselves in others too.

There is no greater impediment to progress in the sciences than the desire to see it take place too quickly.

Honest unaffected distrust of human abilities under all circumstances is the surest sign of strength of mind.

With prophecies the commentator is often a more important man than the prophet.

There exists a species of transcendental ventriloquism by means of which men can be made to believe that something said on earth comes from Heaven.