Prayer is not overcoming God's reluctance, but laying hold of His willingness.

In the end, the success of any technology is determined by its ability to solve real-world problems.

The only way to discover the limits of the possible is to go beyond them into the impossible.

吃饭不可不嚼便咽，走路不可不看便走，话不可不考虑便信口乱说，事不可不计划就贸然去做，衣服不能随便就脱，钱财不能随便据为已有，怒气不可不忍而任意发作，朋友不可不加选择地乱交。