one of the greatest pleasure in life is conversation?

生活中最大的樂趣之一是交談。

A lifetime of happiness ! No man alive could bear it it would be hell on earth .

終身幸福！這是任何活著的人都無法忍受的，那將是人間地獄。

Happiness is form courage .
幸福是勇氣的一種形式。

perfect understanding will sometimes almost extinguish pleasure.?

完全的理解有時(shí)幾乎會使樂趣消失。

It is not easy to find happiness in ourselves, and it is not possible to find it elsewhere.

要在自身找到幸福是不容易的,要在別的地方找到幸福則是不可能的。

never less idle than when wholly idle, nor less alone than when wholly alone.

要清閑就完全清閑，要清靜就完全清靜。

people who cannot find time for recreation are obliged sooner or later to find time for illness.

?騰不出時(shí)間娛樂的人，早晚會被迫騰出時(shí)間生病。