Srimad Bhagavatam
Philosophical research culminates in understanding the Supreme Personality of Godhead. After achieving this understanding, when one becomes free from the material modes of nature he attains the stage of devotional service. Either by devotional service directly or by philosophical research, one has to find the same destination, which is the Supreme Personality of Godhead.
A.C. Bhaktivedanta Swami Prabhupada
Whatever a person may be in the estimation of the social order of things, if a person tries to reciprocate a feeling of love towards the Supreme Personality of Godhead and is satisfied with the blessings of the Lord, he will at once feel the highest peace of mind for which he is hankering life after life.
A.C. Bhaktivedanta Swami Prabhupada
Anyone trying to enumerate or describe fully the unlimited qualities of the unlimited Supreme Lord has the intelligence of a foolish child. Even if a great genius could somehow or other, after a time-consuming effort, count all the particles of dust on the surface of the earth, such a genius could never count the attractive qualities of the Personality of Godhead, who is the reservoir of all potencies.
A.C. Bhaktivedanta Swami Prabhupada
Whatever a devotee experiences he should consider to be an expansion of Krishna. Thus seeing everything that exists within creation as the body of the Supreme Lord Hari, the devotee should offer his sincere respects to the entire expansion of the Lord's body.
A.C. Bhaktivedanta Swami Prabhupada
The Supreme Person, Sri Krishna Himself, who is the life of Srimati Radharani and is the Lord of the universe in creation, maintenance and annihilation, appears as Lord Gaura [Lord Caitanya Mahaprabhu]
A.C. Bhaktivedanta Swami Prabhupada
Either pure or impure, or having passed through all conditions of material life, if one can remember the lotus eyed Krishna, he becomes externally and internally clean.