Chance fights ever on the side of the prudent. – Euripides

An ounce of prevention is worth a pound of cure. – Henry de Bracton

We can easily become as much slaves to precaution as we can to fear. Although we can never rivet our fortune so tight as to make it impregnible, we may by our excessive prudence squeeze out of the life that we are guarding so anxiously all the adventurous quality that makes it worth living. – Randolph Silliman Bourne

Prudent people are very happy; tis an exceeding fine thing, thats certain, but I was born without it, and shall retain to my day of Death the Humour of saying what I think. – Mary Wortley Montagu