The two great rules for design are these: 1st, that there should be no features about a… — Augustus Welby Pugin

The two great rules for design are these: 1st, that there should be no features about a building which are not necessary for convenience, construction or propriety; 2nd, that all ornament should consist of the essential construction of the building. The neglect of these two rules is the cause of all the bad architecture of the present time.