学校必须是孩子生活的地方，而不仅仅是为生活做准备的地方。
All great art and literature is propaganda.
The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.
The most challenging designs often lead to the most rewarding results.
The greatest knowledge is to know oneself.