What are the unique qualities of those that stand out in the service of H'shem. 1. They guide GD's servants to His service 2. They have patients and endurance in times of trial and tribulation 3. They regard everything else as of slight importance compared with the fulfillment of the Creator commandments
pg 447
Nefesh Hachaim
Arrogance can come in the form of one judging another's service in prayer or piety in learning. His judgment is wrong for, in the eyes of H'shem whoever tries to serve Him, he is regarded as a servant and is beloved by H'shem
Prologue to Gate Four Chapter 2 pg 120