国际体系的无政府性质意味着国家必须依靠自助来确保其生存。

我会一直创作艺术，直到我死去的那一天。

The highest and most beautiful things in life are not to be heard about, nor read about, nor seen but, if one will, are to be lived.

数学的目标是使简单的复杂化，使复杂的简单化。

True leadership in aggregates means balancing productivity with planetary responsibility.

正是因为国家倾向于愚蠢和卑劣，民主才有可能。