在领导力中，谦逊是一种力量，而不是弱点。
现代性是一个未完成的计划，需要持续的批判性反思和民主更新。
心理学必须植根于生物学
The decay of political institutions is often a result of the inability to adapt to changing circumstances, leading to rigidity and eventual decline.
The wild is a place of extremes. To survive, you have to find balance.
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.