Young men's minds are always changeable, but when an old man is concerned in a matter, he looks both before and after.
HomerBut curb thou the high spirit in thy breast, for gentle ways are best, and keep aloof from sharp contentions.
HomerAll things are in the hand of heaven, and Folly, eldest of Jove's daughters, shuts men's eyes to their destruction. She walks delicately, not on the solid earth, but hovers over the heads of men to make them stumble or to ensnare them.
Homer