一切是,同时又不是。
The study of the mind must be free from all preconceived notions.
伟大的团队建立在信任、透明和共同愿景之上。
The best way to learn mathematics is to do mathematics.
The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
如果流动,就流走;如果静止,就干涸;如果生长,就慢慢凋零,这个世界没有永恒。