A bird makes the same use of wings and tail in the air as a swimmer does of his arms and legs in the water.


The Notebooks of Leonardo Da Vinci (MacCurdy, 1938) - XVII Flight


A bird makes the same use of wings and tail in the air as a swimmer does of his arms and legs in the water.

A bird makes the same use of wings and tail in the air as a swimmer does of his arms and legs in the water.

A bird makes the same use of wings and tail in the air as a swimmer does of his arms and legs in the water.

A bird makes the same use of wings and tail in the air as a swimmer does of his arms and legs in the water.