Self-control is a very complex quality.

194.  The attainment of equilibrium of conditions is possible only through raising the quality of labor.  Then each one can apply self-control.  Then each one can ask any outside controller to show personally what is better.      -M:  Community 1926

49.  Cosmic Justice is aware of the design of evolution, and the plan is executed in accordance with the design of one and the same law of the fire of the Mother of the World.    -M:  Infinity 1, 1930

306.  The Teacher can point out the direction, sometimes he can forewarn, but many actions must be performed by the disciples themselves.  Moreover it is necessary to manifest these actions voluntarily.  In this voluntary striving is contained self-perfectment.  Each infusion of self-interest or fear will sever the salutary link.     -M:  Heart 1932

634.  Self-control is a very complex quality.  It comprises courage, patience and compassion.   -M:  Fiery World 1933
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-in Prayer and Meditation, 1978

In his Agni Yoga series (1924-38) Morya speaks of ~27 positive facets of self.  See:  http://agniyoga.helloyou.ch/

Basically he gives 1. (self-)action, 2. affirm, 3. analysis, 4. appraisal, 5. confidence, 6. containment, 7. control, 8. correction, 9. defense, 10. denial, 11. discipline, 12. education, 13. examination.
(Also) 14. help, 15. improvement, 16. perfecting, 17. possession, 18. protection, 19. purification,
20. realization, 21. regenerating, 22. reliant, 23. renunciation, 24. respect, 25. sacrifice, 26. transform, 27. selflessness.
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53.   Though man is not inclined to self-examination he is always ready to judge others, using himself as a standard.     -M:  Agni Yoga 1929

319.  The matter of peace is a standard by which one must test oneself.   -M:  Supermundane 2, 1938

315.  On the steps of ascent the first condition will be self-help and resourcefulness.    -M:  Fiery World 1934

36.  Each step of life must be considered as inseparable from self-improvement.   -M:  Agni Yoga 1929