Sure, Buddha was much wiser for the time when he lived. For many Hindus he is the ninth and the latest avatarqa of Lord Vishnu (Buddhists differ, Buddha also would not have accepted that). But the concept that you mention is not an exclusive Buddhist concept, it is an Indian concept. Mahavira of the Jains even abandoned wearing clothes and walked barefoot. He was the Che Guevara of religions, practiced what he preached. Lord Krishna said in Gita:
"yaḥ sarvatra anabhisnehas, tat tat prāpya śubha aśubham;
na abhinandati na dveṣṭi, tasya prajñā pratiṣṭhitā." BG 2.57
In the material world, one who is satisfied with whatever good or evil may come his way without desiring, neither praising it nor despising it, is firmly fixed in perfect knowledge.
Digambar (sky-clad) Jain Monks walking barefoot. The only things that they carry is a gourd for water and a broom for clearing the insects from the place where they put their feet so that none is killed. They beg food only at one house-hold and accept as much as comes in their palms and no second helping. Jains are some of the richest people in India. Many abandon their family, worldly riches, to become monks: