Every challenge is an opportunity to grow.

The more you experience, the more you learn.

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.

Innovation is key to solving the challenges of today and tomorrow.

解释：既要追悔以往的过失，也要预防将来可能发生的错误。

The writer must be a voice for those who have been silenced.