For Bentham, all that matters, you'll remember, are the intensity and the duration of a pleasure or pain.

对边沁来说，要记住，真正重要的，是快乐或痛苦的强度和持续时间。

耶鲁公开课 - 公正课程节选

And so we might need to work out various, more complicated, formulas here, where we multiply the pain times its duration and take into account its intensity, get the sheer quantity of pain that way.

我们需要编制出各种，更复杂的公式，以便增加痛苦的倍数，延续时间,还要考虑痛苦的强度，获得痛苦的纯量。

耶鲁公开课 - 死亡课程节选