1, "Be careful" is a Cantonese song sung by China Hong Kong rock band Beyond.
2. "You should be careful" is composed by Ka Kui Wong, and arranged by Beyond and Ryo Kunihiko. Included in Beyond's Cantonese album Joy and Fury 1993 released in May. The lyrics have been ridiculed many times, never giving up the ideal, and expressing their persistence in the ideal. The original singer of this song is Ka Kui Wong.