如果一件事太难，我们就换别的。还有比这更简单的吗？
If something is too hard, we move on to something else.What could be more simpler than that?
The world is a great poem, and we are the verses.
数学是给不同事物起相同名字的艺术。
The computer is an interactive medium, the first medium that allows for the representation of processes that can be manipulated by the user.
解释：河水成冰，不是一日的寒冷所致；积土成为高山，不是须臾的工夫就能完成。