不偏之谓中,不易之谓庸。
不偏不倚叫做中,不改变叫做庸。
Technological innovation without user thinking is just self-indulgence.
The only way to achieve the impossible is to believe it is possible.
自然将人类置于两位至高无上的主人——痛苦和快乐的统治之下。