P.G Wodehouse The Small Bachelor (Chapter 6)
See https://wantoncreation.wordpress.com/2012/03/18/the-wit-and-wisdom-of-p-g-wodehouse/ for more P.G. Wodehouse quotes
I chanced upon it using http://www.wodehouse.co.uk/quote_generator.asp
Our emotions involve more than evaluations, they also ascribe responsibility, praise for gains, blame for losses.
Some things are up to us and some are not up to us. Our opnions are up to us, and our impulses, desires, aversions - in short, whatever is our doing. Our bodies are not up to us, nor are our posessions, our reputionas, or our public offices, or , that is, whatever is not our doing.Handbook of Epictetus, 1. (translation White)
What upsets people is not things themselves but their judgements about the things.
'Don't wait for Plato's Republic! Rather, be content if one tiny thing makes some progress, and reflect on the fact that what results from this tiny thing is no tiny thing at all!'
“I leave Sisyphus at the foot of the mountain. .... The struggle itself toward the heights is enough to fill a man's heart. One must imagine Sisyphus happy.”