We will now discuss in a little more detail the Struggle for Existence.
Light may be shed on man and his origins.
Farewell Australia! You ... are too great and ambitious for affection, yet not great enough for respect. I leave your shores without sorrow or regret.
I agree with Agassiz that dogs possess something very like conscience.
Only the fittest will survive.
When it was first said that the sun stood still and world turned round, the common sense of mankind declared the doctrine false; but the old saying of Vox populi, vox Dei [the voice of the people is the voice of God], as every philosopher knows, cannot be trusted in science.