al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
وَاعْلَمْ أَنَّ الْإِعْجَابَ ضِدُّ الصَّوَابِ، وَآفَةُ الْأَلْبَابِ، فَاسْعَ فِي كَدْحِكَ، وَلَا تَكُنْ خَازِناً لِغَيْرِكَ، وَإِذَا أَنْتَ هُدِيتَ لِقَصْدِكَ فَكُنْ أَخْشَعَ مَا تَكُونُ لِرَبِّكَ.
Know that self-admiration is contrary to propriety (of action) and is a calamity for the mind. Therefore, increase your striving and do not become a treasurer for (wealth to be inherited by) others. When you have been guided on the right path humble yourself before Allāh as much as you can.
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