我知道要达到顶峰需要付出多少努力，但保持在那里需要更多。
I know how much work it takes to get to the top, but even more to stay there.
The most important thing is to keep moving forward.
You don’t need a weatherman to know which way the wind blows.
质量不是一种行为，而是一种习惯。
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.