Suffering becomes beautiful whenever a person bears great calamities with cheerfulness.

Steady as a clock  busy as a bee  and cheerful as a cricket. — Martha Washington

The clearest sign of wisdom is continued cheerfulness. — Michel de Montaigne

Cheerfulness prepares a glorious mind for all the noblest acts. — Elizabeth Ann Seton

A man of gladness seldom falls into madness. — Anonymous

Always let them think of you as singing and dancing. — Anita Brookner

I exhort you to be of good cheer. — Anonymous

He who sings frightens away his ills. — Miguel de Cervantes

A cheerful look makes a dish a feast — George Edward Herbert