Nahj al-Balāgha
Hadith 1690٦٩. وَقَالَ (عليه السلام): إِذَا لَمْ يَكُنْ مَا تُرِيدُ فَلَا تُبَلْ مَا كُنْتَ.
69. Amīr al-mu’minīn, peace be upon him, said: If what you aim at does not come about then do not worry as to what you were.