Knowledge is something which you can use. Belief is something which uses you.

Learn to be as analytical about things of which you are credulous as you are of those which you criticise.

The learned person who only talks will never Penetrate to the inner heart of humans.

People today are in danger of drowning in information; but, because they have been taught that information is useful, they are more willing to drown than they need be. If they could handle information, they would not have to drown at all.

Anybody or anything may stand between you and knowledge if you are unfit for it.

Christian scholars often say that Sufi theories are close to those of Christianity. Many Moslems maintain that they are essentially derived from Islam. The resemblance of many Sufi ideas to those of several religious and esoteric systems are sometimes taken as evidence of derivation. The Islamic interpretation is that religion is of one origin, differences being due to local or historical causes.

Advice is priceless: when it becomes interference it is preposterous.