Billy Graham interview when he was 92

Q. If you could do it again, would you do anything differently?
A. I would travel less and read, study and pray more.

Q. Why would you travel less when you have been able to preach all over the world.
A. I would accept less speaking engagements at conferences. Concentrate on the crusades and winning people to Christ.

Q. What advice would you give to young preachers?
A. spend more time in study and prayer