How many wells of science there are in whose depths there is nothing but clear water! See image Jean Antoine Petit-Senn
It is not what we have but what we enjoy that constitutes our abundance. See image Jean Antoine Petit-Senn
It requires less character to discover the faults of others, than to tolerate them. See image Jean Antoine Petit-Senn
To endeavor to move by the same discourse hearers who differ in age, sex, position and education is to attempt to open all locks with the same key. See image Jean Antoine Petit-Senn