to not mind taking the trouble to do something; to be very patient and thorough in performing a task

never tired of hearing; worth hearing a hundred times

In war, no amount of deception is too much; all's fair in war.

To study tirelessly; to be insatiable in learning (idiom, from Analects).

to be worth reading many times; to never tire of reading (idiom)

To be extremely meticulous, picky, or sophisticated regarding the selection, preparation, and presentation of food.

study tirelessly, teach with endless enthusiasm (idiom, from the Analects)