我们必须不断学习，因为计算领域总是在不断发展。
对于那些感受的人来说，世界是一场悲剧，但对于那些思考的人来说，世界是一场喜剧。
Prayer is not overcoming God's reluctance, but laying hold of His willingness.
Civilization is a stream with banks. The stream is sometimes filled with blood from people killing, stealing, shouting and doing the things historians usually record, while on the banks, unnoticed, people build homes, make love, raise children, sing songs, write poetry and even whittle statues. The story of civilization is the story of what happened on the banks.