Being an artist means, not reckoning and counting, but ripening like the tree which does not force its sap and stands confidence in the storms of spring without fear that after them may come no summer - Rainer Maria Rilke
Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind. - Leonardo da Vinci
We have to fight them daily, like fleas, those many small worries about the morrow, for they sap our energies. - Etty Hillesum
I don't have to look up my family tree, because I know that I'm the sap. - Fred Allen
Amber starts off as sap from a tree," Joseph said in the dark. "And sometimes insects get caught in it, and over millions of years the amber turns into a gemstone, but it traps the insect inside.""Oh.""A photograph is sort of like that, don't you think? - Brian Selznick