就其与我们之自然联系而言，每一种快乐都是善的，然而并非每一种快乐都是可取的；同理，虽然每一种痛苦都是恶的，但并非每一种痛苦从本质上都应当加以躲避。

Every pleasure then because of its natural kinship to us is good, yet not every pleasure is to be chosen; even as every pain also is an evil, yet not all are always of a nature to be avoided.

youdao