The most successful products are often the simplest solutions to everyday problems.

I am not the luckiest person, but I am the most hardworking person.

The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.

To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.

不担忧自己一家的贫寒，而担忧天下百姓的饥饿