The first law for the historian is that he shall never dare utter an untruth. The second is that he shall suppress nothing that is true. Moreover, there shall be no suspicion of partiality in his writing, or of malice.
Sed nescio quo modo nihil tam absurde dici potest quod non dicatur ab aliquo philosphorum. (There is nothing so absurd but some philosopher has said it.)
Let war be so carried on that no other object may seem to be sought but the acquisition of peace.
[Lat., Bellum autem ita suscipiatur, ut nihil aliud, nisi pax, quaesita videatur.]