Do not try to be humble: learn humility.
When tomorrow comes, think tomorrow's thoughts.
It is the message, not the man, which is important to the Sufis.
Learn to be as analytical about things of which you are credulous as you are of those which you criticise.
There is a Persian proverb: 'To test that which has been tested is ignorance.' To try to test something without the means of testing is even worse.
The Way of the Sufis cannot be understood by means of the intellect or by ordinary book learning.