“And when he is out of sight, quickly also is he out of mind.”

“Philosophy will clip an angel's wings”

“The only means of strengthening one's intellect is to make up one's mind about nothing , to let the mind be a thoroughfare for all thoughts, not a select party”

“What occasions the greater part of the world's quarrels? Simply this: Two minds meet and do not understand each other in time enough to prevent any shock of surprise at the conduct of either party”

“Four seasons fill the measure of the year; there are four seasons in the mind of man”

“No ideas and the ability to express them - that's a journalist”