困難は心を強くし、労働は身体を強くする。
Our editorial team hasn't reviewed this quote yet, so neither its source nor its attribution has been confirmed. Treat it as unverified for now.
困難は心を強くし、労働は身体を強くする。
Our editorial team hasn't reviewed this quote yet, so neither its source nor its attribution has been confirmed. Treat it as unverified for now.