战争是一种精神现象。

"In times of crisis, true leaders emerge by making tough decisions with conviction."

The best traders are those who can control their emotions.

美国是世界上最强大的国家，在可预见的未来仍将如此。

Always cut away from yourself.

Mathematics advances not by the efforts of individuals alone but through the collective work of generations.

没有自然光的房间不是真正的房间。