"The true measure of progress is not in the accumulation of knowledge, but in its application for the betterment of humanity."

自然界和道德世界是人类理性关注的双重对象。

Life is measured by thought and action，not by time.

The writer must be a perpetual outsider, a critic of all power.

因此，乐趣和避免痛苦是立法者所考虑的目标。