Quote by William H. McCallum
"A true friend is the greatest of all blessings."
"A true friend is the greatest of all blessings."
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."
"The best way to understand something is to try to explain it to someone else."
"A good teacher is like a candle - it consumes itself to light the way for others."
"In mathematics, you don't understand things. You just get used to them."