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 … - Cicero

There is nothing so absurd that some philosopher has not already said it.

Nothing is too absurd for some philosopher to have said it.

There is nothing so absurd that it has not been said by some philosopher.

Nihil tam absurde dici potest, quod non dicatur ab aliquo philosophorum.

but as in steering a ship one secret of the art is to run before the storm, even if you cannot make the harbour; yet, when you can do so by tacking about, it is folly to keep to the course you have begun rather than by changing it to arrive all the same at the destination you desire:

non enim parum cognosse, sed in parum cognito stulte et diu perseverasse turpe est, propterea quod alterum communi hominum infirmitati alterum singulari cuiusque vitio est attributum.

I have the better right to indulgence herein, because my devotion to letters strengthens my oratorical powers, and these, such as they are, have never failed my friends in their hour of peril. Yet insignificant though these powers may seem to be, I fully realize from what source I draw all that is highest in them. Had I not persuaded myself from my youth up, thanks to the moral lessons derived from a wide reading, that nothing is to be greatly sought after in this life save glory and honour, and that in their quest all bodily pains and all dangers of death or exile should be lightly accounted, I should never have borne for the safety of you all the burnt of many a bitter encounter, or bared my breast to the daily onsets of abandoned persons. All literature, all philosophy, all history, abounds with incentives to noble action, incentives which would be buried in black darkness were the light of the written word not flashed upon them.