If the assumptions used in calculating energy are changed, then this seriously affects the final result, even though the same body of data might be used. ↗
Taking the entire globe, if North America and Western Europe can be called the 'cities of the world', then Asia, Africa and Latin America constitute 'the rural areas of the world'. ↗
Action seems to follow feeling, but really action and feeling go together; and by regulating the action, which is under the more direct control of the will, we can indirectly regulate the feeling, which is not. ↗