This sentence comes from a short poem "Freedom and Love" written by the Hungarian poet Petofi in 1847.
Extended data:
Original text:
Hungarian:
sza badág,Szerelem!
E kett? Kernegm
szerememért f? Lardozom
Azlet,
Szabadságért f? Lardozom
Szerelmemet。
-Pets? Fei Sando, 1847
Translation:
Life is precious,
Love is more expensive.
If it's for freedom,
You can throw them both.
References:
Baidu Encyclopedia-Freedom and Love