…Mama, you know it’s all divided up. Life is. Sure enough. Between the takers and the "tooken." (He laughs) I’ve figured it out finally…People like Willy Harris, they don’t never get "tooken." And you know why the rest of us do? ‘Cause we all mixed up. Mixed up bad. We get to looking ‘round for the right and the wrong; and we worry about it and cry about it and stay up nights trying to figure out ‘bout the wrong and the right of things all the time… And all the time, man, them takers is out there operating, just taking and taking. (3.1.89)
Embittered by Willy's backstabbing, Walter decides he can trust no one, white or black. In a moment of false lucidity, Walter decides that integrity is overrated.
…There ain’t no causes – there ain’t nothing but taking in this world, and he who takes most is smartest – and it don’t make a damn bit of difference how. (3.1.94)
In an unjust world, the unjust succeed. After humiliating himself and disappointing his family, Walter changes his moral stance to adapt to those around him.