Found Feynmann
(Fundamental Physics Chapter 2.1)

stand on shore – look at sea
water, waves breaking
foam, sloshing motion
hardness permanence
color texture
seaweed, hunger, beach
curiousity demands
small things, forces, infinite variety
reduce the number of different things
understand them better
What do we mean by “understanding”?
we do not know the rules of the game
we are allowed to watch the playing