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The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

解釋：只要心胸坦蕩，不必顧慮沒有施展抱負的地方。

我唯一感到活著的時候就是在創作時。

真正明智的教師不會邀請你進入他智慧的房子，而是引導你到自己心靈的門檻。