The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
The most profound discoveries often start with simple observations.
We don't inherit the oceans from our ancestors; we borrow them from our children.
Sir, where are you running? Are you doing this for world peace? Are you doing this for the homeless? Are you running for women's rights? The environment? They just couldn't believe that somebody would do all that running for no particular reason. Why are you doing this? I just felt like running. I just felt like running.
生命的历史由突变书写。