I know that I am intelligent, because I know that I know nothing.

Many are they who have a taste and love for drawing, but no talent; and this will be discernible in boys who are not diligent and never finish their drawings with shading.

Man is the only creature that refuses to be what he is.

Trouble springs from idleness, and grievous toil from needless ease.

One man's ways may be as good as another's, but we all like our own best.