The answer (after 2 hours of deciphering...) is
"THE TONGUE IS THE ONLY INSTRUMENT THAT GETS SHARPER"
Hope I could help, this was a tough one.
The Big Dipper is an asterism in the constellation Ursa Major (the Great Bear). One of the most familiar star shapes in the northern sky, it is a useful navigation tool. Asterisms are prominent groups of stars that form patterns but are smaller than, or even part of, a constellation.
He says that we must not forget the terrors of the Holocaust, because if we do, we would be accomplices, we would also be guilty as much as the ones who had committed the crimes. That is why we should keep it in our memories forever.
