Principle of least action

Definition and stakes

Portrait of M. E. Braddon M. E. Braddon,  John Marchmont's Legacy, Volume 2…

“ It is only after the fact that we recognise the awful importance which actions, in themselves most trivial, assume by reason of their consequences; and when the action, in itself so unimportant, in its consequences so fatal, has been in any way a deviation from the right, how bitterly we reproach ourselves for that false step! ”
Source: Gutenberg

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