The world of achievement has always belonged to the optimist. J. Harold Wilkins

I like living.  I have sometimes been wildly, despairingly, acutely miserable, racked with sorrow, but through it all I still know quite certainly that just to be alive is a grand thing. Agatha Christie

Laughter is the language of the Gods.  Buddhist saying 

It is the nature of man to rise to greatness if greatness is expected of him.    John Steinbeck 

When we accept tough jobs as a challenge to our ability and wade into  them with joy and enthusiasm, miracles can happen.     Arland Gilbert 

It’s time to start living the life you’ve imagined.  Henry James 

It is a great mistake to think of being great without goodness; and I pronounce it as certain that there was never yet a truly great man that was not at the same time truly virtuous.      Benjamin Franklin