不要害怕挑战，因为挑战让你成长。

There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.

Nature hath made men so equal in the faculties of body and mind， as that though there be found one man sometimes manifestly stronger in body or of quicker mind than another， yet when all is reckoned together the difference between man and man is not so considerable as that one man can thereupon claim to himself any benefit to which another may not pretend as well as he.

现代密码学的挑战不仅在于保护信息，而且在于以一种既高效又可扩展的方式来实现。

The only truly affluent are those who do not want more than they have.

Prayer is not overcoming God's reluctance, but laying hold of His willingness.

I’m a very positive thinker, and I think that is what helps me the most in difficult moments.