愉快是健康的最佳促进者。

The road to success is always under construction.

"Reading is an act of freedom."

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

There is no such thing as abstract art - all art is concrete in its own way.

解析：良知在未发之时即已存在。