Do you want to live happily? Travel with two bags, one for giving, the other for receiving.

Personality is everything in art and poetry.

Instruction does much, but encouragement everything.

The most original of authors are not so because they advance what is new, but more because they know how to say something, as if it had never been said before.

Painting predicates what man wants to see, and what man ought to see, not what he ordinarily sees.

Do not give in too much to feelings. A overly sensitive heart is an unhappy possession on this shaky earth.

The errors of the observer come from the qualities of the human mind.