水的源头如果浑浊，那么水流就不可能清澈；言行不讲信用的，名声必然受到损害。

高分子化学的未来在于合成具有特定应用定制性能的新材料。

算法中随机化的力量证明了计算世界的不可预测性和丰富性。

The essence of learning is the acquisition of meanings.

I think that the most important thing in life is to be true to yourself.

对事实进行分类并认识它们的顺序和相对重要性是科学的功能。

The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.