Adili hilo halichanganyikani na woga unaomzuia mtu asitende inavyotakiwa, wala na ujanja unaotumia undumakuwili na ulaghai.
Kwa Kilatini inaitwa «auriga virtutum – dreva wa maadili», kwa kuwa inatakiwa kuongoza utekelezaji wa maadili mengine yote ikiyaonyesha kanuni na kiasi. Busara ndiyo inayoongoza uamuzi wa dhamiri. Mwenye busara anatenda kufuatana na uamuzi huo. Kwa njia ya busara tunatumia kwa hakika misimamo ya kiadili katika nafasi mbalimbali na kuondoa wasiwasi kuhusu la kutenda[3].
↑"Integral parts" of virtues, in Scholastic philosophy, are the elements that must be present for any complete or perfect act of the virtue. The following are the integral parts of prudence:
Memoria : accurate memory; that is, memory that is true to reality; an ability to learn from experience;
Docilitas : an open-mindedness that recognizes variety and is able to seek and make use of the experience and authority of others;