Anybody can become angry - that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way - that is not within everybody's power and is not easy.
Nature creates nothing without a purpose.
Nature, as we say, does nothing without some purpose; and for the purpose of making man a political animal she has endowed him alone among the animals with the power of reasoned speech.
At the intersection where your gifts, talents, and abilities meet a human need; therein you will discover your purpose.