Happy is the man who has broken the chains which hurt the mind, and has given up worrying once and for all.Ovid
True happiness is... to enjoy the present, without anxious dependence upon the future.Lucius Annaeus Seneca
Believe me, that was a happy age, before the days of architects, before the days of builders.Lucius Annaeus Seneca
Precepts or maxims are of great weight; and a few useful ones on hand do more to produce a happy life than the volumes we can't find.Lucius Annaeus Seneca
One declaims endlessly against the passions; one imputes all of man's suffering to them. One forgets that they are also the source of all his pleasures.Denis Diderot
If virtue promises happiness, prosperity and peace, then progress in virtue is progress in each of these for to whatever point the perfection of anything brings us, progress is always an approach toward it.Epictetus