The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.
人生は、自分で選んだものではない。でも、選んだものだ。
Every setback is just a setup for a comeback.
Sustainable development is not a choice, but a responsibility.
Everyone is a moon, and has a dark side which he never shows to anybody.
愉快是健康的最佳促进者。