John 21:18,19 - The Popular Commentary by Paul E. Kretzmann

¹⁸ Verily, verily, I say unto thee, When thou wast young, thou girdedst thyself, and walkedst whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldest not.

¹⁹ This spake he, signifying by what death he should glorify God. And when he had spoken this, he saith unto him,Follow me.