Quote by Johann Goethe
"As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality."
More from Johann Goethe
"Whatever you can do or dream you can, begin it; boldness has genius, power and magic in it."
"The only way to deal with an unfree world is to become so absolutely free that very existence is an act of rebellion."
"There is nothing to fear but fear itself."
"If I love you, what business is it of yours?"