机器学习中的挑战不仅仅是发现数据中的模式，而是发现能够推广到新的、未见过的数据的模式。
"The challenge in machine learning is not just to find patterns in data, but to find patterns that generalize to new, unseen data."
不追忆过去，不忧虑未来，也不贪恋现在。
Economics is ultimately about improving human welfare.
公用电话，希望你会打给我。
The best companies are started not because the founder wanted a company but because the founder wanted to change the world.
Life is too short to hold grudges.
在茫茫的大沙漠上盲目地去找水井，真荒唐。然而我们还是开始去寻找了。