They Are Not Just Speaking From Experience

“The time early in the morning, one and a half hours before sunrise, is called brahma-muhurta. During this brahma-muhurta, spiritual activities are recommended. Spiritual activities performed early in the morning have a greater effect than in any other part of the day.” (Shrila Prabhupada, Shrimad Bhagavatam, 3.20.46 Purport)

“The Personality of Godhead heard the appealing voices of His friends, and casting a pleasing glance over them, He began to answer. By speaking through His eyes, He impressed His friends that there was no cause for fear. Then Krishna, the supreme mystic, the powerful Personality of Godhead, immediately swallowed up all the flames of the fire. The cows and boys were thus saved from imminent danger.” (Krishna, The Supreme Personality of Godhead, Volume 1, Chapter 19)

“The Personality of Godhead heard the appealing voices of His friends, and casting a pleasing glance over them, He began to answer. By speaking through His eyes, He impressed His friends that there was no cause for fear. Then Krishna, the supreme mystic, the powerful Personality of Godhead, immediately swallowed up all the flames of the fire. The cows and boys were thus saved from imminent danger.” (Krishna, The Supreme Personality of Godhead, Volume 1, Chapter 19)

“After attaining Me, the great souls, who are yogis in devotion, never return to this temporary world, which is full of miseries, because they have attained the highest perfection.” (Lord Krishna, Bhagavad-gita, 8.15)

“Covered with flowers, Hanuman, the son of the wind, became brilliant in the middle of the Ashoka grove, looking like a mountain of flowers.” (Valmiki Ramayana, Sundara Kand, 14.11)

“Covered with flowers, Hanuman, the son of the wind, became brilliant in the middle of the Ashoka grove, looking like a mountain of flowers.” (Valmiki Ramayana, Sundara Kand, 14.11)

“Covered with flowers, Hanuman, the son of the wind, became brilliant in the middle of the Ashoka grove, looking like a mountain of flowers.” (Valmiki Ramayana, Sundara Kand, 14.11)

“With great alacrity the hunter began to run toward his spiritual master, but he could not fall down and offer obeisances because ants were running hither and thither around his feet.” (Chaitanya Charitamrita, Madhya 24.270)

“All different varieties of atmaramas [those who take pleasure in atma, or spirit self], especially those established on the path of self-realization, though freed from all kinds of material bondage, desire to render unalloyed devotional service unto the Personality of Godhead. This means that the Lord possesses transcendental qualities and therefore can attract everyone, including liberated souls.” (Shrimad Bhagavatam, 1.7.10)

“’You said that He is indeed everywhere, so why can He not be seen in this pillar? If I do see that Vishnu right now in the middle of the pillar, then I will not kill you. Otherwise, you will be divided into two.’ Having seen (his father) in that way, Prahlada began to meditate on that Supreme Lord.” (Narasimha Purana, 44.10-11)