” Our knowledge can only be finite, while our ignorance must necessarily be infinite. “
” Science must begin with myths, and with the criticism of myths. “
” We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure. “
” In so far as a scientific statement speaks about reality, it must be falsifiable, and in so far as it is not falsifiable, it does not speak about reality. “
All 4 Karl Popper Quotes about Must in picture


Topics: Must quotes