There is no retracing our steps.
In an evil hour thou bring'st her home. [You are marrying a shrew.]
When a man is pleased with the lot of others, he is dissatisfied with his own, as a matter of course.
In times of stress, be bold and valiant.
Posterity, thinned by the crime of its ancestors, shall hear of those battles.
The wolf dreads the pitfall, the hawk suspects the snare, and the kite the covered hook.