Cogito ergo sum is as far as rationalism can take you. We need religious thought and a bit of obscurantism is needed to not go insane thinking about it. But yes it needs to be kept in check.
Well we do have to rely on and put simple trust in some "basic truths" but that is not what we morally ought to do; we just do it because its insufferable and frankly just impossible to doubt and derive everything. That's Hume's guillotine.
Well we do have to rely on and put simple trust in some "basic truths" but that is not what we morally ought to do; we just do it because its insufferable and frankly just impossible to doubt and derive everything. That's Hume's guillotine.