世界は広くて、狭い。
To every action there is always opposed an equal reaction; or, the mutual actions of two bodies upon each other are always equal, and directed to contrary parts.
慎防欲念如同牵拉逆水之舟,一旦停下来便会倒退;着力行善如同攀缘无枝节的树,一旦停下来便会下滑。