In science, the most beautiful moments often come from unexpected results.
The deepest theorems often arise from the simplest observations.
成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情，你就会成功。
突破功名利禄的束缚，突破世俗学问如考据、诗词的束缚。