没有道德或不道德的书,只有写得好或写得差的书。
数学是理性的音乐。
人生は、選択の連続である。
决定不做什么和决定做什么同样重要。
Innovation is not just about technology; it's about changing the way we think and operate.
The only way to get rid of a temptation is to yield to it.