The process of grouping, of organization, is not arbitrary but follows definite laws.
If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.
最重要的是講述一個(gè)能引起人們共鳴的故事。
當(dāng)人們做不到一些事情的時(shí)候，他們就會(huì)對(duì)你說你也同樣不能。
在數(shù)學(xué)的世界里，每個(gè)問題都會(huì)引出另一個(gè)問題，創(chuàng)造出一個(gè)連接所有科學(xué)領(lǐng)域的無(wú)盡知識(shí)網(wǎng)絡(luò)。