A theoretical system does not merely state facts which have been observed and that logically deducible relations to other facts which have also been observed.
The Wedding March always reminds me of the music played when soldiers go into battle.
You will be courteous to your elders who have explored to the point from which you may advance; and helpful to your juniors who will progress farther by reason of your labors.
Among those who are satisfactory in this respect it is desirable to have represented as great a diversity of intellectual tradition, social milieu and personal character as possible.
That is, a system starts with a group of interrelated propositions which involve reference to empirical observations within the logical framework of the propositions in question.
Christ rode on an ass, but now asses ride on Christ.
I fell asleep reading a dull book and dreamed I kept on reading, so I awoke from sheer boredom.
The main concern of the study is with the outline of a theoretical system. Its minor variations from writer to writer are not a matter of concern to this analysis.
In these times we fight for ideas and newspapers are our fortress.
Sleep is good, death is better; but of course, the best thing would to have never been born at all.