天地之塞，吾其体；天地之帅，吾其性。
充塞天地的气是我的身体，统帅天地的理是我的本性。
The truth is rarely pure and never simple.
The truth is, we all have our own version of reality, and sometimes it's hard to reconcile the two.
求学的最大益处，在于自我改变气质。