Mere curiosity adds wings to every step.

Over all the mountain tops is peace. In all treetops you perceive scarcely a breath. The little birds in the forest are silent. Wait then; soon, you too, will have peace.

No limit, no definition, may restrict the range or depth of the human spirit's passage into its own secrets or the world's.

Wer fremde Sprachen nicht kennt, weiss nichts von seiner eigenen.He who is ignorant of foreign languages, knows not his own.

One that does not think to highly of himself is more than he thinks.

Courage is the commitment to begin without any guarantee of success.

We are pantheists as natural scientists, polytheists as poets, and monotheists as moral beings.