A good film is one that leaves you thinking long after it's over.
最便宜的疗愈方法,就是每天写下一件让自己感恩的事情。
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
当学到的知识被遗忘后,剩下的就是教育。
The joy of discovery in mathematics is unparalleled.