1. "It is not for nothing that it is said that "The Kingdom of God is taken by force." And great perseverance, persistence and constancy are required in this unbreakable striving for Light." [Facets of Agni Yoga 1970, 65]
2. "Many do not know the secret of success – it is perseverance, firmness, persistence and constancy. These difficult qualities can be relatively easily confirmed with the help of rhythm." [Facets of Agni Yoga 1956, 595]
3. "Perseverance, persistence and constancy are strengthened by thought and confirmed by rhythm. So you can enhance any quality ..." [Facets of Agni Yoga 1962, 325]
4. "Great firmness, persistence and perseverance must be shown when the spirit sets itself a great task. The effort applied rhythmically is many times greater than scattered, disorderly attempts. With daily rhythmic exercise, you can achieve many things faster. It is not about forced efforts, but about hard work every day." [Facets of Agni Yoga 1953, 635]
5. "Invincible tenacity is forged by labor; precisely everyday work is the accumulation of the treasure." [Aum, 322]
6. "Seeking the mirage of alleviation does not lead to achievement. The most difficult is the most accessible. People do not wish to understand that persistent quests awaken powerful energies." [Fiery World II, 324]
7. "Defeat is unthinkable if the proper degree of perseverance and constancy is shown. Therefore, you can not be embarrassed by any failures. They are temporary, the spirit is eternal. Victory is assured to the spirit on the paths of Infinity if he has realized the imperishable essence of his nature." [Facets of Agni Yoga 1954, 509]
8. "Water hammers the stone. The inert immobile essence of frozen habits can be defeated only by inhuman perseverance and perseverance. We need to gather strength to fight with ourselves." [Facets of Agni Yoga 1955, 163]
9. "Simplicity and lightness are achieved by long experience, similar to playing the violin or piano. Everything that is done well requires training." [Facets of Agni Yoga 1955, 493]