Aristotle, from Diogenes Laertius, Lives of Eminent Philosophers

Greek critic, philosopher, physicist, & zoologist (384 BC - 322 BC)

Liars when they speak the truth are not believed.

Hope is a waking dream.

What is a friend? A single soul dwelling in two bodies.

I have gained this by philosophy: that I do without being commanded what others do only from fear of the law.

Education is the best provision for old age.