it's a small world (used to express surprise at meeting an acquaintance or discovering a personal connection in a distant place or an unexpected context)

spread the word! let it be known!

(figuratively) to have (something) weighing on one's heart

(figuratively) to have a lump in one's throat, to have a heavy heart, to be sad at heart

saved by the bell

(figuratively) to have a heavy heart, to be sad at heart

deal with the devil, Faustian bargain

like a bat out of hell

after effort comes comfort (once you've finished working, you can sit back and relax)

(informal) and all that jazz, and the whole kit and caboodle, and the whole caboodle