Hanus Hachenburg wrote the following song in the Theresienstadt Ghetto, in 1944.
Mark in blue, the lines that describe the reason Hanus was no longer a child.
Once I Was a Boy/ Hanus Hachenburg
(…) Once I was a boy Three years ago. That boy dreamed of another world. I was a child, three years ago. But now I am grown And my soul is grown It is not a child that saw the face of fear.