A well-spent day brings happy sleep.

Supreme happiness will be the greatest cause of misery, and the perfection of wisdom the occassion of folly.

If you throw a stone in a pond... the waves which strike against the shores are thrown back towards the spot where the stone struck; and on meeting other waves they never intercept each other's course... In a small pond one and the same stroke gives birth to many motions of advance and recoil.

Life well spent is long.

For those colours which you wish to be beautiful, always first prepare a pure white ground.

life without love, is no life at all

If you do not rest on the good foundation of nature, you will labour with little honor and less profit.