地理学的研究是对地球作为人类居住地的研究。

我们都对边疆的概念着迷，但这个边疆在不断后退。

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。

The only valid data for psychology are the reports of trained observers.

The night is a time of truth, when masks fall and souls are laid bare.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

大胆梦想，努力工作，保持专注，与优秀的人为伍。