THE WAY.
278. ‘All created things are grief and pain,’ he who knows and sees this becomes passive in pain; this is the way that leads to purity.
279. ‘All forms are unreal,’ he who knows and sees this becomes passive in pain; this is the way that leads to purity.
From The Dhammapada, Translated from the Pâli by F. Max Müller
Oxford, the Clarendon Press [1881]
http://www.sacred-texts.com/bud/sbe10/index.htm