Nahj al-Balagha Hadith n. 286

Selections from The Sayings and Preaching of Amir al-Muminin Ali ibn Abi Talib (Peace Be Upon Him) Including His Replies to Questions and Maxims Expressed for Various Purposes.
Translated by Sayyid Ali Reza

وَقَالَ (عليه ‏السلام):

Amir al-mu'minin, peace be upon him, said:

مَا قَالَ النَّاسُ لِشَيْءٍ: طُوبَى لَهُ،

For every thing to which people say "how good!"

إِلاَّ وَقَدْ خَبَأَ لَهُ الدَّهْرُ يَوْمَ سَوْءٍ.

there is an evil hidden in this world.