"The real use of gunpowder is to make all men tall"

Thomas Carlyle's quote is a metaphor for the power of understanding and education. He is suggesting that understanding is the real power of gunpowder, which it can make all guys high, not in physical stature, but in regards to their intellectual and moral stature. He is indicating that knowledge is the great equalizer, which it can help to level the playing field between individuals of different backgrounds and abilities. He is also recommending that understanding can assist to empower individuals, which it can assist to provide a sense of self-regard and confidence. By having access to knowledge, people can end up being more notified and empowered, and can utilize this understanding to make better choices and to enhance their lives. In essence, Carlyle is suggesting that understanding is the true power of gunpowder, which it can help to make all guys tall.