Nahj al-Balāgha
Hadith 1457أَمَّا بَعْدُ، فَإِنَّ مَنْ لَمْ يَحْذَرْ مَا هُوَ صَائِرٌ إِلَيْهِ لَمْ يُقَدِّمْ لِنَفْسِهِ مَا يُحْرِزُهَا.
So now, he who does not fear where he is going, does not send forward for himself that which could protect him.