"Then he answered and spake unto me, saying, This is the word of the LORD unto Zerubbabel, saying Not by might, nor by power, but by my Spirit, saith the LORD of hosts." - Zechariah 4:6 (Audio)
The following sermons are on Zechariah 4:6:
The Secret of Blessing, by Dr. Ian R. K. Paisley (1926-2014)
Not by Might, Not by Power, by Stephen Hamilton
God's Work God's Way or No Way, by Rev. Colin Mercer
Encouragement in Zerubbabel's Prophecy, by Rev. William Macleod
Not by Might, by Rev. Lawrence J. Bilkes
The Real Need for the Holy Spirit's Moving, by Rev. Kyle Paisley
An Encouraging Vision of the Spirit's Work, by Rev. David Kranendonk