Crossword puzzle clue "capable of doing well"

Capable of doing well

Writer who said "One cannot think well, love well, sleep well, if one has not dined well"

"___ job's worth doing, it's worth doing well": 2 wds.

Capable of doing the splits, say

Capable of doing a job

"Well, well, well ..."

"Well, well, well," to a Brit

"Well, well, well!"