"Forethought and prudence are the proper qualities of a leader. [Lat., Ratio et consilium, propriae ducis artes.]"

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The memory should be specially taxed in youth, since it is then that it is strongest and most tenacious. But in choosing the things that should be committed to memory the utmost are and forethought must be exercised; as lessons well learnt in youth are never forgotten.

— Arthur Schopenhauer