The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and the other begins?
The strongest is never strong enough to be always the master, unless he transforms strength into right, and obedience into duty.
沉默是那些看得太多的人的语言。
Innovation in forestry isn't about replacing nature with technology, but using technology to better understand and work with nature.
数学之美在于它能够揭示现实的隐藏结构。