Of the innumerable effects, or impressions, of which the heart, the intellect, or the soul is susceptible, what one shall I, on the present occasion, select?
You must approach everything as a child does, assuming nothing, observing everything, and listening as Herman Hesse describes in Siddhartha:
To listen with a silent heart, with a waiting, open soul. Without passion, without desire, without judgement, without rebuke.
It does not make much difference what a person studies. All knowledge is related, and the man who studies anything, if he keeps at it, will become learned.