'A good deed is never lost. It purifies the heart and leads to the descent of Divine light and the dawn of divine grace. Every good deed is a grain of seed for immortality or eternal life. Do all the good you can in all the ways you can, to all people you can in every place you can, at all times you can with all zeal, strength, love, heart and interest you can, as long as ever you can.'
Swami Sivananda, founder of the worldwide Sivananda school of yoga