“When one realises one is asleep, at that moment one is already half-awake.”

“Don't just stand there and nod. The mind observes and cogitates, the heart engages, and I would encourage you to engage with the process.”

“The necessary and needful reaction from the collective unconscious expresses itself in archetypally formed ideas. The meeting with oneself is, at first, the meeting with one's own shadow. The shado...”

“The unconscious no sooner touches us than we are itwe become unconscious of ourselves. That is the age-old danger, instinctively known and feared by primitive man, who himself stands so very close ...”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”