Mbh 6.26.8a

“The Holy One said,--‘When one casts off all the desires of his heart and is pleased within (his) self with self, then is one said to be of steady mind. He whose mind is not agitated amid calamities, whose craving for pleasure is gone, who is freed from attachment (to worldly objects), fear and wrath, is said to be a Muni of steady mind. His is steadiness of mind who is without affection everywhere, and who feeleth no exultation and no aversion on obtaining diverse objects that are agreeable and disagreeable. When one withdraws his senses from the objects of (those) senses as the tortoise its limbs from all sides, even his is steadiness of mind. Objects of senses fall back from an abstinent person, but not so the passion (for those objects). Even the passion recedes from one who has beheld the Supreme (being).[146] The agitating senses, O son of Kunti, forcibly draw away the mind of even a wise man striving hard to keep himself aloof from them. Restraining them all, one should stay in contemplation, making me his sole refuge. For his is steadiness of mind whose senses are under control. Thinking of the objects of sense, a person’s attachment is begotten towards them. From attachment springeth wrath; from wrath ariseth want of discrimination; from want of discrimination, loss of memory; from loss of memory, loss of understanding; and from loss of understanding (he) is utterly ruined. But the self-restrained man, enjoying objects (of sense) with senses freed from attachment and aversion under his own control, attaineth to peace (of mind). On peace (of mind) being attained, the annihilation of all his miseries taketh place, since the mind of him whose heart is peaceful soon becometh steady.[147] He who is not self-restrained hath no contemplation (of self). He who hath no contemplation hath no peace (of mind).[148] Whence can there be happiness for him who hath no peace (of mind)?