a general manager

one for all, all for one

to each his own; different strokes for different folks; there's no accounting for taste

chickens come home to roost, so you should be prepared for your curse to come back to you. Also said to admonish someone against cursing another person casually.

three-legged race / (idiomatic) cooperating and working together to accomplish a task

so many men, so many minds

Ephesians

(colloquial, slang) I; we

an anthology of one hundred poems by one hundred poets, one poet for each poem

short for 小倉百人一首 (Ogura Hyakunin Isshu): a famous "one hundred poems anthology", used as the basis of certain card games