The world is everything that is the case.
数学是为不同事物赋予相同名称的艺术。
The best designs come from understanding the needs of the people who will use them.
Don’t be afraid to ask a question that may sound stupid because 99% of the time everyone else is thinking of the same question and is too embarrassed to ask it.
数学的研究就像空气或重力——它无处不在，你看不到它，但你知道它在那里。
我唔怕辛苦，最怕系冇机会。
