PETTIT-SENN, J. : Let us believe neither half of the good people tell us of ourselves, nor half the evil they say of others. (J. Pettit-Senn, Swiss poet, 1792-1870)

PETTIT-SENN, J. : Not what we have, but what we enjoy, constitutes our abundance. (J. Pettit-Senn, Swiss poet, 1792-1870)