上句：r=a(1-sinθ)
- 當感情只是勸我們去做可以緩行的事的時候，應當克制自己不要立刻作出任何判斷，用另一些思想使自己定一定神，直到時間和休息使血液中的情緒完全安定下來。 0 0 0
- 僅僅是具備出色的智力是不夠的，注要的問題是如何出色地使用它 0 0 0
- 反對的意見在兩方面對我有益，一方面是使我知道自己的錯誤，一方面是多數人看到的比一個人看到的更明白。 0 0 0
- 征服你自己，而不要征服全世界。 0 0 0
- Except our own thoughts, there is nothing absolutely in our power.I think; therefore I am. 0 0 0
- 我思，故我在。我苦，故我在。 0 0 0
- The first precept was never to accept a thing as true until I knew it as such without a single doubt. 0 0 0
- Je pense, donc je suis 既然我有思想，說明我是存在的 0 0 0
- 即使是那些彼此之間並沒有自然的先後次序的對象，我也給它們設定一個次序。 0 0 0
- In order to improve the mind, we ought less to learn, than to contemplate. 0 0 0
- The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once. 0 0 0
- 世界之大，而能獲得最公平分配的是常識 0 0 0
- 讀傑出的書籍，有如和過去最傑出的人物促膝交談。 0 0 0
- 無法做出決策的人，或欲望過大，或覺悟不足。 0 0 0
- 一切謬誤皆為罪惡 0 0 0
- 無法下判斷的人，不是欲望太奢侈，就是覺悟還不夠。 0 0 0
- Perfect numbers like perfect men are very rare. 0 0 0
- 意志、悟性、想象力以及感覺上的一切作用，全由思維而來。 0 0 0
- 僅僅具備出色的智力是不夠的，主要的問題是如何出色地使用它 0 0 0
- One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another. 0 0 0
- 我思考，故我存在。 0 0 0
- When it is not in our power to follow what is true, we ought to follow what is most probable. 0 0 0
- The greatest minds are capable of the greatest vices as well as of the greatest virtues. 0 0 0
- 這世上所有的感情在本性上都是好的，我們應當避免的只是對它的濫用或誤用。 0 0 0
- A state is better governed which has few laws, and those laws strictly observed. 0 0 0
- Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has. 0 0 0
- If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things. Rene Descartes 0 0 0
- 要以探求真理為畢生的事業。 0 0 0
- 理智和良知是惟一使我們人之所以為人並與動物有區別的東西，我相信它是完整地存在于個人身上的。 0 0 0
- 懷疑中我常常處于迷失狀態，幸虧思想最終讓我發現“我是真實的”，我思故我在。 0 0 0