你必须投入时间，因为总有你可以改进的地方。
"You have to put in the hours because there’s always something which you can improve."
I don't have to say anything; my songs say it all.
实现明天理想的唯一障碍是今天的疑虑。
技术是工具，人才是核心。
人类并不是逻辑的，他的智力历史是心理储备和妥协的记录。即使在被迫放弃逻辑基础时，他仍然坚守他在旧信仰中能够坚持的部分。
The modern state is a product of the European experience.
Money is concerned only with what is common to all, i.e., the exchange value, and it reduces all quality and individuality to the question: How much?