“And when they had lifted up their eyes, they saw no man, save Jesus only.”- Matthew 17:8
When Peter saw our Lord with Moses and Elijah, he exclaimed, “Master, it is good to be here,” as if he implied that it was better to be with Jesus, and Moses, and Elijah, than to be with Jesus only. Now it was certainly good that for once in his life he should see Christ transfigured with the representatives of the law and the prophets; it might be for that particular occasion the best sight that he could see, but as an ordinary thing an ecstasy so sublime would not have been good for the disciples; and Peter himself very soon found this out, for when the luminous cloud overshadowed him, and the Voice was heard out of heaven, we find that he with the rest became very afraid. The best thing after all for Peter, was not the excessive strain of the transfiguration, nor the delectable company of the two great spirits who appeared with Jesus, but the equally glorious, but less exciting society of “Jesus only.” Depend on it, brothers and sisters, that ravishing and exciting experiences and transporting enjoyments, though they may be useful as occasional refreshments, would not be so good for every day as that quiet but delightful ordinary fellowship with “Jesus only,” which ought to be the distinguishing mark of all Christian life! As the disciples ascended the mountain side with Jesus only, and as they went back again to the multitude with Jesus only, they were in as good company as when they were on the mountain summit, Moses and Elijah being there also; and although Jesus Christ in His common habiliments and in His ordinary attire might not so dazzle their eyes as when they saw His raiment bright as the light, and His face shining as the sun—yet He really was quite as glorious, and His company quite as beneficial! When they saw Him in His everyday attire, His presence was quite as useful to them as when He robed Himself in splendor. “Jesus only,” is after all upon the whole a better thing than Jesus, Moses, and Elijah. “Jesus only,” as the common Jesus, the Christ of every day, the Man walking among men, communing in secret with His disciples, is a better thing for a continuance while we are in this body, than the sight even of Jesus Himself in the excellence of His majesty. ~ C.H. Spurgeon
https://www.blueletterbible.org/comm/spurgeon_charles/sermons/0924.cfm