These are the soul's changes. I don't believe in ageing. I believe in forever altering one's aspect to the sun. Hence my optimism.
The first duty of a lecturer to hand you after an hour's discourse a nugget of pure truth to wrap up between the pages of your notebooks, and keep on the mantlepiece forever.
If we didn't live venturously, plucking the wild goat by the beard, and trembling over precipices, we should never be depressed, I've no doubt but already should be faded, fatalistic and aged.