Choose carefully

"The gathering together of many books for study too often

interposes between God and man a mass of knowledge that weakens the mind and makes it incapable of assimilating that which it has already received. The mind becomes dyspeptic. Wisdom is needed that man may choose aright between these many authors and the word of life,..."
Mind, Character and Personality vol.2 p.506 E.G.W.

And further, by these, my son, be admonished:

of making many books there is no end;

and much study is a weariness of the flesh.

Ecclesiastes 12:12