Preparedness averts peril.; to be prepared, just in case (idiom)
有 · 6 strokes
Depicts a hand (又) holding meat (肉). In Oracle script this character was written the same as the phonetically similar 又, but later the 肉 component was added to distinguish them.
备 · 8 strokes
Simplified form of 備. Depicts preparing a container for arrows to equip oneself for battle.
无 · 4 strokes
Pictograph of a person dancing, with ox tails or bird feathers hanging from his arms, to pray for rain. Original form of 舞 (dance). The current form is a phonetic loan. The simplified character 无 was…
患 · 11 strokes
Phonosemantic compound. 心 represents the meaning and 串 represents the sound.
出门前多带些衣服，有备无患。
Preparedness prevents calamity; if you're ready, you won't have to worry.