【译文】 樊迟问仁，孔子说：“对人慈爱。”问智，孔子说：“对人了解。”樊迟不理解。孔子说：“以正压邪，能使邪者正。”

"Imagination is the most powerful tool we have to create a better world."

I don't think about being the best. I think about being better than yesterday.

数学的本质在于它的自由。