"The city’s poor are like the roots of a tree; unseen, but essential to its life."

We should follow whatever seems probable， and avoid whatever seems improbable.

When the legislative and executive powers are united in the same person， or in the same body of magistrates， there can be no liberty.

科学中最重要的不是获得新的事实，而是发现新的思考方式。

"Trust is the foundation of any successful organization."