Science is analytical descriptive informative. Man does not live by bread alone but by science he attempts to do so. Hence the deadliness of all that is purely scientific.

If you would have your son to walk honourably through the world you must not attempt to clear the stones from his path but teach him to walk firmly over them - not insist upon leading him by the hand but let him learn to go alone.

For so long as the Jew has even one ally he will be convinced - in his smallness of mind - that his salvation came from that ally. It is only when he is alone - against all of his own efforts and frantic attempts - that he will through no choice be compelled to turn to G-d.

The attempt to devote oneself to literature alone is a most deceptive thing and often paradoxically it is literature that suffers for it.