Collectors are happy people.
If nature is your teacher, your soul will awaken.
Then to the depths! - I could as well say height: It's all the same.
The greatest piece of folly is that every man thinks himself compelled to hand down what people think they have known.
Know thyself? If I knew myself I would run away.
Humans fear reason, but they ought to fear stupidity- for reason can be hard, but stupidity can be fatal.