Al-Hasan al-Basri [may Allāh have mercy on him] said:

“O’ assembly of youth! Seek the Afterlife, as we often see people pursuing the Afterlife and finding it as well as the worldly-life, but we have never seen anyone pursue the worldly-life and gain the Afterlife as well as the worldly-life.”

Az-Zuhd al-Kabeer | Page 17 | Al-Imām al-Bayhaqi [may Allāh have mercy on him]