对做好自己的事感到满足，不必理会别人如何议论你。

祈祷不是克服上帝的不情愿，而是抓住他的愿意。

Errors, like straws, upon the surface flow; he who would search for pearls must dive below.

The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.