The Prophet ﷺ said: Prayer followed by a prayer with no idle talk between the two is recorded in Illiyyun. (Using translation from Abū Dāʾūd 1288)
سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ «صَلَاةٌ عَلَى أَثَرِ صَلَاةٍ لَا لَغْوَ بَيْنَهُمَا كِتَابٌ فِي عِلِّيِّينَ»