“Here’s the key to understanding risk: it’s largely a matter of opinion.”
— Howard Marks
Many a book is like a key to unknown chambers within the castle of one’s own self.
—Franz Kafka
Action is the foundational key to all success.
—Pablo Picasso
I would teach children music, physics, and philosophy; but most importantly music, for the patterns in music and all the arts are the keys to learning.
—Plato