perimetrium
Bach played the organ, violin, and harpsichord. Two of his pieces are St. Matthew Passion and Toccata and Fugue in D Minor.
It means "practice what you preach". Or, if you don't want a colloquialism to answer yours, basically live by what you say, and don't be a hypocrite.
Being a self-made man himself, in this aphorism Franklin is praising the person who sets goals in his/her life and works to achieve them. Franklin's words mean that the person who can "compose" or...
1% - Matter and Anti-matter 23% - Dark matter76% - Dark energy
"Atoms" is probably the answer sought, although protons, electrons, and usually neutrons would also be correct.