How can you put out a fire set on a cart-load of firewood with only a cup of water

Similar sayings:

Only when all contribute their firewood can they build up a strong fire Only when all contribute their firewood can they build up a strong fire
Though you live near a forest, do not waste firewood Though you live near a forest, do not waste firewood
Not only can water float a boat, it can sink it also Not only can water float a boat, it can sink it also
Fight fire with fire Fight fire with fire
He who can predict winning numbers should not set off fire crackers He who can predict winning numbers should not set off fire crackers

Chinese sayings and proverbs