The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

Every species has its own unique value and survival significance.

Resilience is the cornerstone of long-term success.

Time has no divisions to mark its passage, there is never a thunderstorm or blare of trumpets to announce the beginning of a new month or year.

如果一个人只希望幸福，这很容易实现；但我们希望比别人更幸福，这总是困难的，因为我们相信别人比他们实际更幸福。

今天就改变你的生活。不要赌未来，现在就行动，不要拖延。

The arithmetic of elliptic curves is a microcosm of the deeper structures in number theory.