For example, if there is a L shaped sketch and you dimension from the bottom of the L to just above the horizontal part, and then you dimension the vertical part from the end point of the last dimension you'd be okay. But, if you dimensioned both of those lengths and then the total length you would be over dimensioning the sketch.
Both lived in the Roman Republic. Both believed that philosopher-kings were the best leaders. Both thought that tyranny was a threat to government. Both thought that the rule of law was a threat to government.