The Holy Prophet [s] said: “He whose two days (of life) are the same (making no spiritual progress) is at loss.”[i]

[i] Bihar-ul-Anwar, vol. 71, p. 173

The seventh Imam, Musa ibn Ja’far [a], said: “The likeness of this world is as the water of the sea. However much (water) a thirsty person drinks from it, his thirst increases so much so that the water kills him.”[i]

[i] Bihar-uI-Anwar, vol. 78, p. 311