Learn English – Idiom for someone who works fast without paying attention to the quality

A common expression for that emotion is on top of the world.

I think the most common phrase I hear that works for good and bad is karma (is a bitch/beauty).

(in Hinduism and Buddhism) the sum of a person's actions in this and previous states of existence, viewed as deciding their fate in future existences.

A common set of idioms to reflect the results of bad/good karma.

• what goes around comes around
• you make the bed that you lie in
• you reap what you sow