Authors:

...I leaped headlong into the Sea, and thereby have become more acquainted with the Soundings, the quicksands, and the rocks, than if I had stayed upon the green shore, and piped a silly pipe, and took tea and comfortable advice.

Letter to James Hessey, 8 October 1818, in H. E. Rollins (ed.) 'The Letters of John Keats' (1958) vol. 1, p. 374
...I leaped headlong into the Sea, and thereby have become more acquainted with the Soundings, the quicksands, and the rocks, than if I had stayed upon the green shore, and piped a silly pipe, and took tea and