作家要么是一个实践中的隐士，要么是一个内疚的、行为不端的隐士。
The writer is either a practicing recluse or a delinquent, guilt-ridden one.
True forest stewardship means leaving some trees - and some profits - for those who come after us.
在数学中，提出问题的艺术必须比解决问题更有价值。
人应当怀有一颗善心，我觉得这个至关重要。