Rarely promise, but, if lawful, constantly perform.
promise
A selected quote by William Penn.
Rarely promise, but, if lawful, constantly perform.
Related
Ocean: A body of water occupying about two-thirds of a world made for man - who has no gills.
No bird soars too high, if he soars with his own wings
Lawyer: One skilled in circumvention of the law
Law is common force organized to prevent injustice.