aries: audere est facere - to do is to dare
taurus: fluctuat nec mergitur - tossed by the waves but does not sink
gemini: alis propriis volat - she flies with her own wings
cancer: dum inter homines sumus, colamus humanitatem - as long as we are among humans, let us be humane
leo: forest fortuna adiuvat - fortune favors the brave
virgo: timendi causa est nescire - ignorance is the cause of fear
libra: amor omnia vincit - love conquers all
scorpio: carpe noctem - seize the night
sagittarius: transit umbra, lux permanet - shadow passes, light remains
capricorn: amare et sapere vix deo conceditur - even a god finds it hard to love and be wise at the same time
aquarius: serva me, servabo te - save me and i will save you
pisces: utinam ne illum numquam conspexissem - if only I had never seen him
(descendantastrology on tumblr)
note: the phrases are gender neutral, the pronouns are just put there that way for poetic effect