No one is born fully-formed: it is through self-experience in the world that we become what we are.
没有人天生就是完整的:正是通过在世界中的自我体验,我们才成为现在的自己。
石材的真正价值在于我们如何改造它以供人类使用。
The human body is a complex puzzle, and viruses are just one piece of it.