Text this: What are the "four roots of capacity and nature"?

 ______      ___     _    _      ___      _____   
|      \\   / _ \\  | \  / ||   / _ \\   |__  //  
|  --  //  | / \ || |  \/  ||  / //\ \\    / //   
|  --  \\  | \_/ || | .  . || |  ___  ||  / //__  
|______//   \___//  |_|\/|_|| |_||  |_|| /_____|| 
`------`    `---`   `-`  `-`  `-`   `-`  `-----`