“Nothing sharpens sight like envy”
Thomas Fuller
“Absence doth sharpen love, presence strengthens it; the one brings fuel, the other blows it till it burns clear.”
William Shakespeare
“The first thing I do in the morning is brush my teeth and sharpen my tongue.”
Dorothy Parker
“The flame of anger, bright and brief, sharpens the barb of love.”
Walter Savage Landor
“If you get the dirty end of the stick, sharpen it and turn it into a useful tool”
Colin Powell
“Iron sharpens iron; scholar, the scholar.”
William Drummond
“Heat and animosity, contest and conflict, may sharpen the wits, although they rarely do; they never strengthen the understanding, clear the perspicacity, guide the judgment, or improve the heart.”