According to the old saying, what is "the spice of life"?

Question

How many adjectives are there in the following sentence: "The tall old man in a smart black suit hit the little green car with a long red stick"?

Answer 1

variety is the spice of life : This phrase comes from William Cowper's poem, "The Task" (1785): "Variety is the very spice of life, That gives it all its flavor."
Its means life is more interesting when it changes often and you have many different experiences.