唯一不变的是变化，持续的变化，不可避免的变化，这是当今社会的主导因素。

In the end, we are all alone with our thoughts.

Keep learning. It's the only way to stay relevant in a fast-changing world.

挑战在于让观众感受到一些东西，在情感层面上与他们建立联系。