Charles Darwin
  • A man's friendships are one of the best measures of his worth.

  • It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

  • A man's friendships are one of the best measures of his worth.

  • How paramount the future is to the present when one is surrounded by children.

  • At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate, and replace the savage races throughout the world.