Charles Spurgeon -- from his sermon "God's Providence". . .
Napoleon once heard it said, that man proposes and God disposes. "Ah," said Napoleon, "but I propose and dispose too." How do you think he proposed and disposed. He proposed to go and take Russia; he proposed to make all Europe his. He proposed to destroy that power, and how did he come back again? How had he disposed of it? He came back solitary and alone, his mighty army perished and wasted, having well-nigh eaten and devoured one another through hunger. Man proposes and God disposes.
Quoted by Jerry Bridges in Trusting God: Even When Life Hurts, Chapter 5 "God's Rule over the Nations" (NavPress, 2008)
See also 2 Chronicles 20:6, Daniel 4:17, Isaiah 40:23-24, Acts 4:27-28, Romans 13:1, etc.