There are many ways of understanding simple things, but generally the opposite is true for difficult ideas
The path that leads to truth is littered with the bodies of the ignorant.
from one thing, know ten thousand things
Crossing at a ford occurs often in a man's lifetime. It means setting sail even though your friends stay in harbour, knowing the route, knowing the soundness of your ship and the favour of the day.
Think lightly of yourself and deeply of the world
To win any battle, you must fight as if you are already dead