It is not usually our ideas that make us optimists or pessimists, but it is our optimism or our pessimism, of physiological or perhaps pathological origin, as much the one as the other, that makes our ideas.
Baikor edo ezkor ez gaituzte geure ideiek egiten; aitzitik, gure baikortasunak edo ezkortasunak, bata zein bestea beharbada fisiologi edo patologi jatorrikoak izanik, egiten ditu gure ideiak.