Philosophy

The synthesis of the knowledge of the within and the without is philosophy; and this was what India achieved in her Vedanta ages ago as samyak-jnana, comprehensive or perfect knowledge of total Reality. Reality itself does not know any distinction between a within and a without. These distinctions are made only by the human mind for the convenience of study and research and daily life.
As the different branches of the physical sciences are but differently approaches to the study of one and the same reality, namely, physical nature, and as all such branches of study, when pursued far enough, tend to mingle and merge into a grand science of the physical universe, into a unified science of the ‘without’ of nature, so the science of the ‘within’ and the science of the ‘without’ mingle and merge in a science of Brahman, the total Reality.