化学最令人兴奋的地方在于能够创造出从未存在过的新分子。

A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.

Tomorrow will be better for as long as America keeps alive the ideals of freedom and a better life.

Mental activity is the organism's way of engaging with the world.

Death in itself is nothing; but we fear to be we know not what, we know not where.

在量子物理学的领域里，观察者不仅仅是被动的观众，而是现实展开中的积极参与者。