These two Chinese proverbs are very much like the English pairs of proverbs that contradict each other.
Personally I feel that sometimes when you are really struggling to do something you end up making a mess of it by overthinking it. Yet times where you are relaxed you end up being more productive.
shì bàn gōng bèi
get twice the result with half the effort
shì bèi gōng bàn
get half the result with twice the effort
An English pair of contradictory proverbs like these above are