Maimonides

If a person studies too much and exhausts his reflective powers, he will be confused, and will not be able to apprehend even that which had been within the power of his apprehension. For the powers of the body are all alike in this respect.

The idea that information can be stored in a changing world without an overwhelming depreciation of its value is false. It is scarcely less false than the more plausible claim that after a war we may take our existing weapons, fill their barrels with information.

I don't believe in fate or destiny. I believe in various degrees of hatred, paranoia, and abandonment. However much of that gets heaped upon you doesn't matter - it's only a matter of how much you can take and what it does to you.