“It is little enough we know and the rest is darkness.”

“High in the North in a land called Svithjod there is a mountain. It is a hundred miles long and a hundred miles high and once every thousand years a little bird comes to this mountain to sharpen its beak. When the mountain has thus been worn away a single day of eternity will have passed.”

“On the other hand, when you grow up you will discover that some of the people in this world never passed beyond the stage of the cave-man.”

“For tolerance (and you must remember this when you grow older), is of very recent origin and even the people of our own so-called "modern world" are apt to be tolerant only upon such matters as do not interest them very much.”

“Any frontal attack on ignorance is bound to fail because the masses are always ready to defend their most precious possession: their ignorance”

“Any formal attack on ignorance is bound to fail because the masses are always ready to defend their most precious possession - their ignorance.”

“...and then, I have nature and art and poetry, and if that is not enough, what is enough?”