Book Note: Gravity and Grace by Simone Weil #1

I must not forget that at certain times when my headaches were raging I had an intense longing to make another human being suffer by hitting him in exactly the same part of his forehead (...) Obedience to the force of gravity. The greatest sin. 

Externalizing the force of gravity, in other words, is a form of submission. Simply being subject to it may not harm another person.