Read Euler, read Euler, he is the master of us all.

[Sire,] je n’ai pas eu besoin de cette hypothèse.En répondant Napoléon qui lui demanda pourquoi sa théorie de l’univers ne indique pas Dieux.

Your Excellency, I have no need of this hypothesis.

Napoleon, when hearing about Laplace’s latest book, said, ‘M. Laplace, they tell me you have written this large book on the system of the universe, and have never even mentioned its creator.’Laplace responds, ‘Je n’avais pas besoin de cette hypothèse-là. (I had no need of that hypothesis.)

Give me the positions and velocities of all the particles in the universe, and I will predict the future.