Quintilian (Marcus Fabius Quintilian)

To swear, except when necessary, is becoming to an honorable man.
[Lat., In totum jurare, nisi ubi necesse est, read more

To swear, except when necessary, is becoming to an honorable man.
[Lat., In totum jurare, nisi ubi necesse est, gravi viro parum
convenit.]

In almost everything, experience is more valuable than precept.
[Lat., Nam in omnibus fere minus valent praecepta quam
read more

In almost everything, experience is more valuable than precept.
[Lat., Nam in omnibus fere minus valent praecepta quam
experimenta.]

For it would have been better that man should have been born
dumb, nay, void of all reason, rather read more

For it would have been better that man should have been born
dumb, nay, void of all reason, rather than that he should employ
the gifts of Providence to the destruction of his neighbor.
[Lat., Mutos enim nasci, et egere omni ratione satius fuisset,
quam providentiae munera in mutuam perniciem convertere.]