1. "Enthusiasm is a torch that ignites everything around you. The quality is invaluable!" [Letters of Helena Roerich in 9 Volumes - 1. 057]
2. "…We welcome enthusiasm as a kindler of the fires of the spirit." [Facets of Agni Yoga 1955, 477]
3. "Nothing can be built without enthusiasm! Where there is enthusiasm, there is the fire of the spirit." [Letters of Helena Roerich in 9 Volumes - 9. 056]
4. "… Exaltation is a blessed intensifier… If cosmic explosions can be creative impulses, then human explosions are likewise needed for evolution." [Supermundane, 272]
5. "In all historical battles, only the one who had more firmness and enthusiasm endured. In history, we see that neither money nor quantity gave a preponderance, but only the power of the spirit composed the achievements. There are many examples where it was not the amount of money, but the power of thought and action that created great consequences." [Letters of Helena Roerich in 9 Volumes - 4. 145]
6. "When enthusiasm lives in the heart, then all obstacles are overcome. The fire of enthusiasm works wonderfully." [Letters of Helena Roerich in 9 Volumes - 2. 122]
7. "It is necessary to influence the environment through science, art, morality and to raise enthusiasm and heroism. It is necessary to maintain enthusiasm in everything and always, if it is aimed at the common good." [Memo to a friend and a member of the society by Yuri Roerich]
8. "...The embryo of enthusiasm grows into a beautiful inspiration." [Brotherhood, 220]
9. "Everything will come, my dear ones, just so as not to lose the spark of enthusiasm, you can build only on enthusiasm. Everything is drawn to this fire..." [Letters of Helena Roerich in 9 Volumes - 3. 074]
10. "Where enthusiasm penetrates, benevolent and beneficent, based on beauty and knowledge, everything becomes easier there." [Creative work by Nicholas Roerich]
11. "Fill your life with unbreakable enthusiasm and thereby turn it into a permanent holiday." [Beautiful by Nicholas Roerich]
12. "As long as we act to protect the Good, the Beautiful and Culture, we are invincible in our enthusiasm." [To the Conference in Bruges, 1931 by Nicholas Roerich]
13. "We should not be afraid of enthusiasm. Only the ignorant and spiritually powerless can mock this great and pure feeling..." [Peace Banner by Nicholas Roerich]
14. "In the midst of shocks, it is enthusiasm that leads a person to the path of achievement." [Field Day by Nicholas Roerich]