《荀子·君子》
不炫耀，所以天下的人就不会和他争能，因而他就能极好地利用人们的力量。
不矜矣，夫故天下不与争能，而致善用其功。
Not showing off, so the people in the world will not compete with him for the ability, thus enabling him to make very good use of the power of the people.