不知其子视其友，不知其君视其左右。
不了解儿子就看和儿子交往的朋友，就清楚了；不了解君主就看看君主身边的人，就明白了。
Take one simple thing — almost anything — but take it extremely seriously， as if it was the only thing in the world， or maybe the entire world is in it — and by taking it seriously you’ll light up the sky.
The pursuit of knowledge is a never-ending journey.
The best decisions are made with both data and intuition.