One mistake of judgment often made by the neophyte devotees is that any time there is some disturbance or some difficulty they are considering that the conditions or the external circumstances under which the difficulty took place are the cause of the difficulty itself. That is not the fact. In this material world there is always some difficulty, no matter in this situation or that situation. Therefore simply by changing my status of occupation or my status of life, that will not help anything. Because the real fact is that if there is any difficulty with others, that is my lack of Krsna consciousness, not theirs.

(From Srila Prabhupada's letter to Madhukara, 4 January, 1973)