The book, total expansion of the letter.
书,是文字的总扩展。
顺应上天(自然)而赞颂它,哪里比得上掌握了自然规律去利用它?“制天命而用之”符合当今社会人与自然和谐相处的原则,人尊重自然,也可适当地改造自然为我所用。
神经系统的复杂性既是挑战,也是灵感。
The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.