become two wings of the same bird of prey.

Be like the bird that, pausing in her flight awhile on boughs too slight, feels them give way beneath her, and yet sings, knowing that she hath wings.

Intelligence without ambition is a bird without wings.

The soul has illusions as the bird has wings: it is supported by them.

No bird soars too high, if he soars with his own wings

Even when a bird walks, one feels it has wings