The blessings of having the Holy Ghost in your life are enormous. It will lead, guide, enlighten, show, bless, teach, comfort, testify, witness to, and literally purify you. In your life as a missionary, you cannot succeed in any phase of work without the Holy Ghost. You cannot teach or be directed in the work.
If we’re going to talk about transport, I would say that the great city is not the one that has highways, but one where a child on a tricycle or bicycle can go safely everywhere.