Nature is written in mathematical language.
可持续性是现代商业的基石，没有它，我们就像在沙地上建房。
The world is so unhappy because it is ignorant of the true self. Man's real nature is happiness. Happiness is inborn in the true self. Man's search for happiness is an unconscious search for his true self.
Sometimes the simplest melodies are the hardest to write.
