> 2 pounds of feathers do not weigh less than 1 pound of bricks. 1 pound of bricks weighs more than 2 pounds of feathers, but they can have the same mass.
> 2 pounds of feathers do not weigh less than 1 pound of bricks. 1 pound of bricks weighs more than 2 pounds of feathers, but they can have the same mass.