Men often bear little grievances with less courage than they do large misfortunes. – Aesop

Real pain can alone cure us of imaginary ills. We feel a thousand miseries till we are lucky enough to feel misery. – Samuel Taylor Coleridge

Happiness can be found, even in the darkest of times, if one only remembers to turn on the light. – Steven Kloves, Harry Potter and the Prisoner of Azkaban (movie)

Therefore do not be anxious about tomorrow, for tomorrow will be anxious for itself. Let the days own trouble be sufficient for the day. – Bible