1." The true path leads to one and decisive knowledge.The knowledge of the undecisive branches in all directions and in unending " - Krishna Source: Bhagwat gita
2 . " The purpose of human life is to enquire:
Who am I?
Where have I come from?
What will happen to me at death?
Why do I suffer?
Why do others suffer?
Who is God?
How can I serve God?
Why is there variety of living beings?
How can I get out this cycle of birth, old age, disease, and death?
How can I live eternally? " - Krishna Shri Kurukshetra Source: Mahabharata Occasion: Geeta recitation
3 . " yada yada hi dharmasya
glanir bhavati bharata
tadatmanam srjamy aham
Translation: When and where ever there is decline in religious faith and practice, O descendant of Bharata, and a predominant rise of irreligion, at that time I descend Myself. " - Krishna Shri Kurukshetra Source: Mahabharata Occasion: War