In 1820, after inventing his own method of stenography, he abandoned his career as a lawyer and traveled across France, as well as the Netherlands, Belgium, and Switzerland, giving conferences and teaching his system.

After Galin died in 1822 without publishing a full explanation of his ideas, several teachers led classes claiming to follow his methods.

He published numerous pamphlets on the technique, and toured schools widely, offering challenges to music teachers.

Paris, along with his sister and Emile Chevé, continued touring and publishing pamphlets until his death.

[1] Aimé Paris was the first person to publish a version of the mnemonic major system in its modern form.