:俞敏洪经典语录
Though you are alive, continues to grow each year,
But you are a grass,
You absorb the sun and rain,
But not long.
People can step on you,
But people do not because of your pain, but his pain;
People do not because you have been trampled, and compassion from you,
Because people themselves do not see you.
So every one of us,
Have to be growing like a tree,