解释：了解古代不了解现在，称为愚昧无知，那么儒生就只能称作愚昧无知的人了。

你和你的目标之间唯一的障碍是你不断告诉自己为什么不能实现它的故事。

I can be no longer than one day absent from the ship, as I am the only person on board who can navigate her.

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

I'm not going to apologize for being who I am.

I’m not a guy that’s going to let my love for the ball down.

The most challenging times often reveal the greatest opportunities for transformation.

Cloud computing is like electricity, it will become the infrastructure of society in the future.