Full Idea
Only he who has measured the dominion of force, and knows how not to respect it, is capable of love and justice.
Gist of Idea
Only people who understand force, and don't respect it, are capable of justice
Source
Simone Weil (The Iliad or the Poem of Force [1940], p.212)
Book Reference
Weil,Simone: 'An Anthology' [Penguin 1986], p.212
A Reaction
There are, of course, occasions when we are grateful to people who exercise appropriate force on our behalf. I think she was concerned with what is inappropriate.