For one who has conquered the mind, the Supersoul is already reached, for he has attained tranquillity. To such a man happiness and distress, heat and cold, honor and dishonor are all the same.
Actually, every living entity is intended to abide by the dictation of the Supreme Personality of Godhead, who is seated in everyone's heart as Paramātmā. When the mind is misled by the external, illusory energy, one becomes entangled in material activities. Therefore, as soon as one's mind is controlled through one of the yoga systems, one should be considered to have already reached the destination. One has to abide by superior dictation.

(Bhagavad-Gita-------6:7-------translation and purport).

One who transcends false ego, and with it the effects of duality, is very easily freed from material desires, and then he vanquishes hate, greed, anger, fear, and so on. In the stage of full surrender to the Lord, even negative qualities like mundane desire and envy, along with dualities like hunger and thirst, heat and cold, joy and sorrow, loss and gain, sin and piety, and honor and dishonor, are converted into spiritual energy by being brought into contact with the Supreme Lord. Saintly, blissful personalities who are devoid of undesirable characteristics like lust and envy are found especially in India. One can conquer duality, illusion, and so on only by spiritual elevation to the state of directly perceiving the Supreme Lord and seeing everything in relation to Him. The only method of achieving this state of consciousness is buddhi-yoga.

(Renunciation through Wisdom).

Pure devotees, who are not deluded or contaminated by desire and hate, can understand that Lord Śrī Kṛṣṇa appears by His internal potencies, but those who are deluded by duality and nescience think that the Supreme Personality of Godhead is created by material energies. This is their misfortune. Such deluded persons, symptomatically, dwell in dualities of dishonor and honor, misery and happiness, woman and man, good and bad, pleasure and pain, etc., thinking, "This is my wife; this is my house; I am the master of this house; I am the husband of this wife." These are the dualities of delusion. Those who are so deluded by dualities are completely foolish and therefore cannot understand the Supreme Personality of Godhead.

(Bhagavad-Gita-------6:7------purport).

One who is equal to friends and enemies, who is equipoised in honor and dishonor, heat and cold, happiness and distress, fame and infamy, who is always free from contaminating association, always silent and satisfied with anything, who doesn't care for any residence, who is fixed in knowledge and who is engaged in devotional service—such a person is very dear to Me.
A devotee is always free from all bad association. Sometimes one is praised and sometimes one is defamed; that is the nature of human society. But a devotee is always transcendental to artificial fame and infamy, distress or happiness. He is very patient. He does not speak of anything but the topics about Kṛṣṇa; therefore he is called silent.

(Bhagavad-Gita-------12:18-19-------translation and purport).