Your own mind is a sacred enclosure into which nothing harmful can enter except by your permission.
Arnold BennettI'm very conscious of the luck I've had. It's important to have this in your mind and remember it.
Astrid Berges-FrisbeyThe mind does most of its best thinking when we aren't there. The answers are there in the morning.
Alain de BottonIf a cluttered desk is a sign of a cluttered mind, of what, then, is an empty desk a sign?
Albert EinsteinSimple solutions seldom are. It takes a very unusual mind to undertake analysis of the obvious.
Alfred North Whitehead