You have never lived until you've almost died.For those who have fought for it, life has a flavor the protected shall never know.
The writer must be a perpetual beginner, always doubting, always searching.
《三民主义·民权主义·第二讲》（1924年3月16日）
For beautiful hair, let a child run his or her fingers through it once a day.
在数学中，真理存在于我们尚未知晓的某处，而我们唯一能希望找到它的方法就是探索。
最成功的企业是那些以人为本的企业。
The key to success is persistence, persistence, and more persistence.