A pile of sand is loose, but when it is mixed with cement, stone and water, it is tougher than granite. Jie Wang

People help me and don't forget; I help people, remember. -Hua

What gives one person the right to help another person is not the connection of flesh and blood, but the connection of emotion and spirit. tschaikovsky

Everyone gathers firewood and the flames are high.

The two work best together.

A fence, three piles, a hero, three gangs.