How horrible condition is this, in this Kali-yuga. Just imagine. Without any restriction, without any hindrance, they are committing sinful life. They do not know, next life, all this boastfulness, pride, will be finished. He will have to accept another body, which will be offered by the material nature. You cannot say that "I will not accept this body; I want this body." No. Nature is not under your dictation. You have to abide by the dictation of nature.
(Lecture on Bhagavad-Gita--1:36--London--26th. July, 1973).

The surrendering process is described here very nicely. The first qualification is that one should not be deluded by pride. Because the conditioned soul is puffed up, thinking himself the lord of material nature, it is very difficult for him to surrender unto the Supreme Personality of Godhead. One should know by the cultivation of real knowledge that he is not lord of material nature; the Supreme Personality of Godhead is the Lord. When one is free from delusion caused by pride, he can begin the process of surrender. For one who is always expecting some honor in this material world, it is not possible to surrender to the Supreme Person. Pride is due to illusion, for although one comes here, stays for a brief time and then goes away, he has the foolish notion that he is the lord of the world. He thus makes all things complicated, and he is always in trouble. The whole world moves under this impression.
Bhagavad-Gita--15:5--purport).

There are two things in the world which can satisfy living beings. When one is materially engrossed, he is satisfied only by sense gratification, but when one is liberated from the conditions of the material modes, he is satisfied only by rendering loving service for the satisfaction of the Lord. This means that the living being is constitutionally a servitor, and not one who is served. Being illusioned by the conditions of the external energy, one falsely thinks himself to be the served, but actually he is not served; he is servant of the senses like lust, desire, anger, avarice, pride, madness and intolerance. When one is in his proper senses by attainment of spiritual knowledge, he realizes that he is not the master of the material world, but is only a servant of the senses. At that time he begs for the service of the Lord and thus becomes happy without being illusioned by so-called material happiness.
(Srimad Bhagavatam--1:12:6--purport).

When one becomes malicious upon seeing another's advancement of life, his state of mind is generally called envy. When one becomes frightened at seeing a lightning bolt in the sky, that fearfulness brings on anxiety. Therefore, fearfulness and anxiety may be taken as one. One's desire to hide his real mentality is called avahitthā, or concealment, and a desire to exhibit superiority is called pride. Both of these may be classified under pretension. In a pretentious attitude both avahitthā and pride are to be found. One's inability to tolerate an offense committed by another is called amarṣa, and one's inability to tolerate the opulence of another is called jealousy. Jealousy and amarṣa are both caused by intolerance. One's ability to establish the correct import of a word may be called conclusiveness. And before such a conclusive determination of import, there must be thoughtful consideration. Therefore, the act of consideration is present during the establishment of a conclusion.
(Nectar of Devotion)

Because a person who is spiritually advanced accepts any adverse condition of life as the mercy of the Lord, he is completely eligible to enter into the spiritual kingdom. Even though a person takes to the devotional service of the Supreme Lord, he may sometimes become diseased, impoverished, or disappointed by life's events. A true devotee of the Lord always considers these sufferings to be due to past sinful activities, and thus without becoming disturbed he patiently awaits the mercy of the Supreme Lord. Such devotees are compared to high mountains, which are never agitated in any way, even when struck by powerful torrents of rain in the rainy season. Rather, such devotees remain humble in spiritual enlightenment. Free from pride and envy, they easily gain the mercy of the Lord and go back home, back to Godhead.
(Light of the Bhagavata).
(Nectar of Devotion).