Certainly we do not need quantum mechanics for macroscopic objects, which are well described by classical physics - this is the reason why quantum mechanics seems so foreign to our everyday existence.
The thing about villains is that villains always have their own logic, and they don't necessarily see themselves as villains. Richelieu is not a villain, in his own mind. He's doing what he needs to do.
Before a new chapter is begun, the old one has to be finished: tell yourself that what has passed will never come back.
Remember that there was a time when you could live without that thing or that person - nothing is irreplaceable, a habit is not a need.
My activism really is for myself, because I see places in the world where I feel I should be. If there is something really bad, really evil, happening somewhere, then that is where I should be. I need, for myself, to feel that I have stood there. It feels a lot better than just watching it on television.
Rich men are resolved to be astonished at nothing. When they see a masterpiece, they must needs at one glance recognize some flaw to dispense them from admiration, a vulgar emotion.