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La soledad es el precio de la libertad.
The past is a source of knowledge, and the future is a source of hope. Love of the past implies faith in the future.
如果你没有失败,说明你的创新还不够。
Mathematics is not just a human invention; it has a deep reality that exists independently of us.
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, "Soften the orange a bit on the right hand corner." I don't try to control a sunset. I watch with awe as it unfolds.