This and this alone gives him the key to his own existence, reveals to him the significance, shows him the inner mechanism of his being, of his action, of his movements.
Horrek eta horrek bakarrik ematen dio giltza bere agerpen propiorako, zabaltzen dio esangura, erakusten dio bere esentziaren, bere egintzaren, bere higiduraren barneko mekanismoa.