Find inner peace in tranquility.

Biology is the study of complicated things that give the appearance of having been designed for a purpose.

Sometimes silence between the notes is just as important as the notes themselves.

The cultivation of flowers and trees is the cultivation of the good, the beautiful and the true.

"You don't forget the face of the person who was your last hope."

求学的人必须先立下志向。志向确立后，学问就可以按部就班地下功夫。

无限小在自然中的作用是无限大的。