A general must be a charlatan.
The great proof of madness is the disproportion of one's designs to one's means.
If you (to General Bertrand) do not perceive that Jesus Christ is God, very well; then I did wrong to make you a general.
Conquests will come and go but Delambre's work will endure.
To command, you must first of all speak to the eyes.
The advance and perfecting of mathematics are closely joined to the prosperity of the nation.