Carpe diem, quam minimum credula postero'Snatch at today and trust as little as you can in tomorrow' - (Odes) Often translated as 'Seize the day'.
Knowledge without education is but armed injustice.
Adversity has the effect of eliciting talents which, in prosperous circumstances, would have lain dormant.
In a long work sleep may be naturally expected.
Be not ashamed to have had wild days, but not to have sown your wild oats.
Be modest in speech, but excel in action.