You can never know everything, and part of what you know is always wrong. Perhaps even the most important part. A portion of wisdom lies in knowing that. A portion of courage lies in going on anyway.
The interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.
The goal to be reached is the mind’s insight into what knowing is. Impatience asks for the impossible, wants to reach the goal without the means of getting there. The length of the journey has to be borne with, for every moment is necessary.
Learning does not consist only of knowing what we must or we can do, but also of knowing what we could do and perhaps should not do.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
He values my understanding and talents more highly than my heart, but I am proud of the latter only. It is the sole source of everything of our strength, happiness, and misery. All the knowledge I possess every one else can acquire, but my heart is exclusively my own.
Art is the uniting of the subjective with the objective, of nature with reason, of the unconscious with the conscious, and therefore art is the highest means of knowledge.[Искусство есть соединение субъективного с объективным, природы и разума, бессознательного с сознательным. И потому искусство есть высшее средство познания.]