وَقَالَ صلى الله عليه وسلم: ((الْبَخِيلُ مَنْ ذُكِرْتُ عِنْدَهُ فَلَمْ يُصَلِّ عَلَيَّ)).
(He (PBUH) also said: ‘A miser is one whom when I am mentioned to him, fails to send prayers upon me.)
At-Tirmidhi 5/551 and others. See also Al-Albani, Sahih At-Tirmidhi 3/177 and Sahihul-Jarai' As-Saghir 3/25.