Thomas Aquinas

“ Counsel is not only about what is done, but also about whatever has relation to what is done. And for this reason we speak of consulting about future events, in so far as man is induced to do or omit something, through the knowledge of future events. ”

“ And if this principle precedes both in knowledge and in being, the process is not analytic, but synthetic: because to proceed from cause to effect is to proceed synthetically, since causes are more simple than effects. But if that which precedes in knowledge is later in the order of being, the process is one of analysis, as when our judgment deals with effects, which by analysis we trace to their simple causes. Now the principle in the inquiry of counsel is the end, which precedes indeed in intention, but comes afterwards into execution. ”

“ Although that which is laid down by the law is not due to the action of him who seeks counsel, nevertheless it directs him in his action: since the mandate of the law is one reason for doing something. ”

“ Now we must take note that in contingent particular cases, in order that anything be known for certain, it is necessary to take several conditions or circumstances into consideration, which it is not easy for one to consider, but are considered by several with greater certainty, since what one takes note of, escapes the notice of another; whereas in necessary and universal things, our view is brought to bear on matters much more absolute and simple, so that one man by himself may be sufficient to consider these things. ”