I went back to look at some quotations I had compiled thinking they might be useful some day; here are a few that might interest you:
Nil sine magno vita labore dedit mortalibus.
Life has given nothing to mortals without great effort.
(Horace)
Ipse alimenta sibi maxima praebet amor.
Love provides itself with the greatest aliments.
(Sextus Propertius)
Quantum oculis, animo tam procul ibit amor.
Love will go as far from the heart/mind as it goes far from the eyes.
(Sextus Propertius)
Letum non omnia finit.
Death does not end everything.
(Sextus Propertius)
Honesta turpitudo est pro causa bona.
Honorable is turpitude for a good cause.
(Publilius Syrus)
Quid sis interest, non quid habearis.
What matters is what you are, not what you are considered to be.
(Publilius Syrus)
Maiore tumultu planguntur nummi quam funera.
Coins are bewailed with greater tumult than deaths.
(Juvenal)
Fata viam invenient.
Fate will find a way.
(Vergil)
Fama, malum qua non aliud velocius ullum
mobilitate viget virisque adquirit eundo
Rumor, which no other evil beats in speed,
thrives with mobility and gains strength as it goes.
(Vergil)
Sunt facta verbis difficiliora.
Deeds are more difficult than words.
(Cicero)
Nemo est qui tibi sapientius suadere possit te ipso.
There is no one who can advise you more wisely than yourself.
(Cicero - he was saying this to someone in particular, not in general, but I guess the sentence on its own could be re-interpreted as general)
Epistula (enim) non erubescit.
(For) a letter doesn't blush.
(Cicero)
Qui semel verecundiae fines transierit, eum bene et naviter oportet esse impudentem.
Once one has crossed over the limits of modesty, one ought to be well and diligently shameless.
(Cicero)
Habet (enim) praeteriti doloris secura recordatio delectationem.
(For) the secure remembrance of past pain has some pleasure to it.
(Cicero)
Vsquequaque sapere oportet: id erit telum acerrimum.
You must be wise in every circumstance: that will be your sharpest weapon.
(Cicero)
Non facile diiudicatur amor verus et fictus.
True and false love are not easily differenciated.
(Cicero)
Fiet (enim) quodcumque volent qui valebunt; valebunt autem semper arma.
(For) what happens will be whatever those who prevail want; and those who prevail will always be weapons.
(Cicero)
Tuo tibi iudicio est utendum.
You should use your own judgment.
(Cicero)
Ita sunt altae stirpes stultitiae.
So deep are the roots of foolishness.
(Cicero)
Est (enim) proprium stultitiae aliorum vitia cernere, oblivisci suorum.
(For) it is proper to foolishness to see the vices of others and forget one's own.
(Cicero)
Ne illa quidem firmissima consolatio est, quamquam et usitata est et saepe prodest: 'non tibi hoc soli.'
Not even that is the strongest consolation, even though it is commonly used and often helps: "you're not the only one this happens to".
(Cicero)
Plura sunt quae nos terrent quam quae premunt, et saepius opinione quam re laboramus.
There are more things that frighten us than things that afflict us, and we suffer in imagination more often than in fact.
(Seneca Minor)
Perit aliqua navis in portu: sed quid tu accidere in medio mari credis?
It happens for a ship to be destroyed in the port: but what do you think happens in the middle of the sea?
(Seneca Minor)
Nemo tam timidus est ut malit semper pendere quam semel cadere.
No one is so timid as to prefer always to hang than to fall once.
(Seneca Minor)