Trust not a sword in the hands of a boy.
More Latin Proverbs:
Man's life's a vapor, and full of woes; he cuts a caper, and down he goes.Latin
However extravagant men's desires, they hope to see them gratified.
Latin
Have confidence, but beware in whom.
Latin
No man can think well of himself who does not think well of others.
Latin
Give assistance, and receive thanks lighter than a feather: injure a man, and his wrath will be like lead.
Latin
I shall paint you in your own colours. [Take you according to your own showing.]
Latin