I have the courage to be mistaken.

The more certain our knowledge the less we know.

Whatever is reasonable is true, and whatever is true is reasonable

In the case of all other sciences, arts, skills, and crafts, everyone is convinced that a complex and laborious programme of learning and practice is necessary for competence. Yet when it comes to philosophy, there seems to be a currently prevailing prejudice to the effect that, although not everyone who has eyes and fingers, and is given leather and last, is at once in a position to make shoes, everyone nevertheless immediately understands how to philosophize.

We learn from history that we do not learn from history

The bud disappears when the blossom breaks through, and we might say that the former is refuted by the latter; in the same way when the fruit comes, the blossom may be explained to be a false form of the plant's existence, for the fruit appears as its true nature in place of the blossom.

Beauty and art pervade all the business of life like a kindly genius, brightly adorning our surroundings whether interior or exterior, mitigating the seriousness of existence and the complexities of the real life, extinguishing idleness in an entertaining fashion, and, where there is nothing good to be achieved, filling the place of vice better than vice itself.