What is a tautology? Simply put, if we employ repetitive words or repeat a particular idea without adding clarity, we use tautologies. Typical examples are a new innovation, a dry desert, frozen ice or white milk. Tautologies also appear in phrases such as: In my view, I think he is right and correct.
For this reason, I myself, therefore, try or attempt to avoid using, utilizing or employing superfluous, redundant and unnecessary tautologies.:) Seriously, we should avoid using more words than necessary.
Source
Harmon, William, and C. Hugh Holman. Eds. A Handbook to Literature. 8th ed. Upper Saddle River, NJ: Prentice Hall, 1999.