Behavior is determined by the current stimulus situation and past reinforcement history.

It's not about how many times you get knocked down, it's about how many times you get back up.

我不是为眼睛做音乐，我是为耳朵做音乐。

Don’t wait for opportunities, create them.

I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.

若你想从不被批评，那务必不要尝试新事物。

出自汉·桓宽《盐铁论·未通》。修筑城墙的人，首先要加厚城墙的地基，然后再把城墙垒高；善于养民的人，首先要巩固人民的产业，然后才能使他们走向富裕。要使人民实现富裕，首先要使人民有稳定的工作。国家应该合理地配置土地资源，使农民有地可耕；还应该整治社会治安，稳定市场秩序，沟通贸易渠道，使商人有买卖可做。只有做好了这些基本工作，人民才能逐渐走向富裕。

Policy should be based on evidence, not ideology.