上下级之间若真诚相通,则即使在暗处也相互信任无疑;若真诚不通,则即使亲近也充满怀疑不信。
写作是为无形的东西赋予形状。
Collaboration in mathematics is essential; no one can solve all the problems alone.
Drawing is honesty. There is no possibility of cheating. It is either good or bad.