He who kisses girl on hillside is not level
The way of Heaven and Earth may be completely declared in one sentence: They are without any doubleness, and so they produce things in a manner that is unfathomable.
Study as though you cannot catch up to it, and as though you fear you are going to lose it.
To be truly happy and contented, you must let go of what it means to be happy or content.
Happiness is not at the top of the mountain, but in how to climb.
Study the past if you would define the future. I am not one who was born in the possession of knowledge; I am one who is fond of antiquity, and earnest in seeking it there. Learning without thought is labor lost; thought without learning is perilous.