Mathematics is the foundation upon which all science is built.
事实是,我们都能够做出可怕的事情。但我们也能表现出极大的善意。
The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.
Life is too short to waste time hating anyone.