Thrift is care and scruple in the spending of one's means. It is not a virtue and it requires neither skill nor talent.

In all judgements by which we describe anything as beautiful, we allow no one to be of another opinion.

If I am to constrain you by any law, it must be one by which I am also bound.

It is never too late to become reasonable and wise.

The yellow Indians do have a meagre talent. The Negroes are far below them, and at the lowest point are a part of the American people.

Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know!

. . . as to moral feeling, this supposed special sense, the appeal to it is indeed superficial when those who cannot think believe that feeling will help them out, even in what concerns general laws: and besides, feelings which naturally differ infinitely in degree cannot furnish a uniform standard of good and evil, nor has any one a right to form judgments for others by his own feelings. . . .