No, our science is no illusion. But an illusion it would be to suppose that what science cannot give us we can get elsewhere.
Sigmund FreudMy love is something valuable to me which I ought not to throw away without reflection.
Sigmund FreudA strong egoism is a protection against disease, but in the last resort we must begin to love in order that we may not fall ill, and must fall ill if, in consequence of frustration, we cannot love.
Sigmund FreudThe pleasure principle long persists, however, as the method of working employed by the sexual instincts, which are so hard to 'educate', and, starting from those instincts, or in the ego itself, it often succeeds in overcoming the reality principle, to the detriment of the organism as a whole.
Sigmund Freud