习惯比灵感要可靠得多。通过养成习惯来取得进步。不要把注意力放在塑身上。专注于成为那种从不错过锻炼的人。

Good econometrics is like good carpentry—it's all about using the right tool for the job.

When we can't talk about something, it becomes dangerous.

因此，乐趣和避免痛苦是立法者所考虑的目标。