One shouldn't talk of halters in the hanged man's house.
For the army is a school in which the miser becomes generous, and the generous prodigal; miserly soldiers are like monsters, but very rarely seen.
Fortune leaves always some door open to come at a remedy.
A closed mouth catches no flies.
He who loses wealth loses much; he who loses a friend loses more; but he that loses his courage loses all.
I believe there's no proverb but what is true; they are all so many sentences and maxims drawn from experience, the universal mother of sciences.