Philosophy is at once the most sublime and the most trivial of human pursuits. It works in the minutest crannies and it opens outthe widest vistas. It 'bakes no bread', as has been said, but it can inspire our souls with courage.
William JamesThe sovereign voluntary path to cheerfulness, if our spontaneous cheerfulness be lost, is to sit up cheerfully, to look round cheerfully, and to act and speak as if cheerfulness were already there. If such conduct does not make you soon feel cheerful, nothing else on that occasion can.
William James