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"The world is full of signs and wonders, but we walk past them every day without seeing."
做出伟大工作的唯一方法是热爱你所做的事情。
"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."
悲伤会改变形态但永远不会真正离开我们。
The truth is, I don't know what I'm doing half the time, but I do it with confidence.