My struggle is harsh and I come back with eyes tired at times from having seen the unchanging earth, but when your laughter enters it rises to the sky seeking me and it opens for me all the doors of life.
When a man bleeds inwardly, it is a dangerous thing for himself; but when he laughs inwardly, it bodes no good to other people.
Verba vana aut risui apta non loqui.[Trans.]Do not speak words that are vain or give rise to laughter.
Perhaps I know best why man is the only animal that laughs: he alone suffers so excruciatingly that he was compelled to invent laughter.