Quotation from: The Notebooks of Leonardo Da Vinci

Written by: Leonardo da Vinci

952.

OF WAVES.

A wave of the sea always breaks in front of its base, and that
portion of the crest will then be lowest which before was highest.

[Footnote: The page of FRANCESCO DI GIORGIO'S _Trattato_, on which
Leonardo has written this remark, contains some notes on the
construction of dams, harbours &c.]