Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
Freedom can only be given to one who loves it， and the rest is for slaves.
The only time you should look down on someone is when you're helping them up.
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
"The world is a shadow, and the shadow is a lie."