Free vaccines are more valuable than expensive treatments, yet harder to promote.
Innovation happens when you're willing to challenge the status quo and take calculated risks.
释义:解决困难问题,应从还比较易于处理的时候开始;铲除邪恶,应趁它尚在细微的时候进行。
The same principles that at first lead to skepticism pursued to a certain point ends in religion.