Saki says that youth is like hors d'oeuvres: you are so busy thinking of the next courses you don't notice it. When you've had them, you wish you'd had more hors d'oeuvres.
Philip LarkinIt is fatal to decide, intellectually, what good poetry is because you are then in honour bound to try to write it, instead of the poems that only you can write.
Philip Larkin