I am cought between the devil and the deep blue sea. 進退維谷。

I am not a slave, I am not a captive, and by energy I can overcome the greater obstacles. 我不是奴隸，也不是俘虜，我有力量可以克服更大的艱難險阻。

I am not now that which I have been. (I am not what I used to be.) 今日之我已非昔日之我。

I am not only witty in myself, but the cause that wit is in other men. 我不僅要使自己有才智，而且也要使別人有才智。

I believe the first test of truly great man is his humility. 一個真正偉大的人，對他的第一個考驗就是看他是否謙遜。

I cannot be your friend and your flatterer too. 我不能既是你的朋友，而又對你阿諛奉承。

I count myself in nothing else so happy as in a soul remem-bering my good friends. 我認為，只有在腦海中想起好朋友時我才會那樣快樂。

Ideals are like the stars -- we never reach them, but like mariners, we chart our course by them. 理想好像星星，不能摘到，但我們猶如水手，可借它指引航向。

Idle folks have most labour. 懶漢總嫌活太多。

Idle folks lack no excuses. 懶漢辯解，何患無詞。

Idleness is the key of beggary, and the root of all evil. 懶惰是行乞的敲門磚，是萬惡的根源。

Idleness is the root (or mother) of all evil (or sin or vice). 懶惰是萬惡之源。

Idleness is the rust of the mind. 懶惰使腦子生銹。

Idleness rusts the mind. 懶惰使人的頭腦遲鈍。

Idle young, needy old. 少壯不努力，老大徒傷悲。

If a donkey bray at you, don''t bray at him. 傻瓜惹著你，你別跟他纏。

If a man empties his purse into his head, no man can take it away from him. 如果倒空錢袋，裝入腦袋，那就無人能夠把錢奪走。

If a man will begin with certainties, he shall end in doubts, but if he will be content to begin with doubts, he shall end in certaintics. 如果以肯定開始，必將以懷疑告終;如果愿以懷疑開始，必將以肯定告終。

If at first you don''t succeed, try, try again. 初試不成功，努力勿懈怠。

If doctors fail thee, be these three thy doctors; rest, cheerful-ness, and moderate diet. 如果醫藥不能幫助，那么注意三件事∶休息，愉快，飲食調和。

If each would sweep before his own door, we should have a clean city (or street). 眾擎易舉。

I fear the Greeks, even when bringing gifts. 敵人獻禮品，千萬莫輕信。

If I take care of my character, my reputation will take care of itself. 注意好品行，自有美名聲。

If it is not right, do not do it; if it is not true, do not say it. (If it is not broken, do not fix it.) 不正確的事不做，不真實的話不說。

If it were not for hope, the heart would break. 人是靠希望活著的。

If matters not how a man dies, but how he lives. 重要的并不在于一個人怎樣死，而是在于他怎樣生。

If money be not thy servant, it will be thy master. 不做金錢的主人，就會做金錢的奴隸。

If nobody loves you, be sure it is your own fault. 如果沒有人愛你，肯定是你自己有問題。

If one desires to succeed in anything, he must pay the price. 如果想做成點事，就得付出代價一干。

If the beard were all, the goat might preach. 如果有了?需就什么都行，那么山羊也可以說教了。

If the blind lead the blind, both shall fall into the ditch. 問道于盲，無益于事。

If the counsel be good no matter who gave it. 只要忠告中肯，誰提都行。