过去的危险是人们成为奴隶。未来的危险是人们可能成为机器人。
The danger of the past was that men became slaves. The danger of the future is that men may become robots.
义务是由于对法则的敬重而产生的行为必要性。
Every stone we extract tells a story of perseverance and precision.
The best way to be happy is to be grateful.
Music is the best medicine for the soul.