To walk after the spirit a believer must inhibit his mind from revolving endlessly. If it turns too long around one topic, worries or grieves too much over matters, and ponders too intensively to know God's will, it may become unbearable and hamper its normal operation. The mind needs to be kept in a steady and secure state.
Watchman NeeTrue spiritual life depends not on probing our feelings and thoughts from dawn to dusk but on 'looking off' to the Savior!
Watchman NeeThey spend more time in analyzing, in collecting materials, and in hard thinking than on prayer, on seeking God's mind, and on waiting for the power from above.
Watchman Nee