“Suffering without knowledge, without remedy, is animal life. One who cannot understand that he is suffering and who thinks that he is very well off is in animal consciousness, not human consciousness. The human being should be cognizant of suffering the threefold miseries of this planet. One should know that he is suffering in birth, suffering in death, suffering in old age and suffering in disease, and one should be inquisitive as to how he may avoid the suffering. That is real research work.” (Shrila Prabhupada, Easy Journey To Other Planets, Ch 2)
“The child cries to have the moon from the mother, and the mother gives the child a mirror to satisfy the crying and disturbing child with the reflection of the moon. Similarly, the crying child of the Lord is given over to the reflection, the material world, to lord it over as karmi and to give...
“Narada Muni delivered his instructions both to me, who was within the womb, and to my mother, who was engaged in rendering him service. Because he is naturally extremely kind to the fallen souls, being in a transcendental position, he gave instructions on religion and transcendental knowledge....
“This material nature is working under My direction, O son of Kunti, and it is producing all moving and unmoving beings. By its rule this manifestation is created and annihilated again and again.” (Lord Krishna, Bhagavad-gita, 9.10)