Do not wish to jump immediately from the streams to the sea, because one has to go through easier things to the more difficult.
Thomas AquinasWe set forth our petitions before God, not in order to make known to Him our needs and desires, but rather so that we ourselves may realize that in these things it is necessary to turn to God for help.
Thomas AquinasFor it is necessary in every practical science to proceed in a composite (i.e. deductive) manner. On the contrary in speculative science, it is necessary to proceed in an analytical manner by breaking down the complex into elementary principles.
Thomas Aquinas