电流概念的形成是电学理论发展中最重要的步骤。
我们生来都是疯狂的,有些人一直如此。
我相信简单的生活,有纪律的生活,专注的生活。
科学不仅是事实的集合,也是一种思维方式。
The best way to measure your investing success is not by whether you're beating the market but by whether you've put in place a financial plan and a behavioral discipline that are likely to get you where you want to go.