人们不会使用手持计算器来学习计算，但是却会忘记算术。

I'd rather make mistakes than do nothing.

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.

可持续发展需要在创新和风险控制之间找到平衡。