"Know this, O Monks : Now, as formerly, I teach of only dukkha (suffering, unsatisfactoriness) and the elimination of Dukka."
The Buddha is known as the Awaken, But apart from this he is known as,
1) As a propogator of peace (Shanti)
2) As a merciful (Karunamayi)
3) As the tormentor of all the wordly sufferings (Mara)
He Taught
-
to walk the Middle Way
-
to self-help
-
to be familiar with the law of causality and to adjust the causes appropriately for the desired results to follow
-
the principle of practice "Avoid evil, do good purify the mind"
-
He reminded that all compounded things are impermanent and perpetually flowing, and we must be well-equipped with heedfulness.
For quick reading plz refer;
en.wikipedia.org/wiki/Gautama_Buddha
www.aboutbuddha.org/english/index.htm
There are many books available on Life of Buddha but I will recommend you,
Buddha and HIs Dhamma by Dr. B. R. Ambedkar