⑧ Thesis 7.A thesis should not contain phrases like "in my opinion" or“I think”. Example In my opinion, Smoking should be smoking should outlawed because of be outlawed because of the the adverse health adverse health effects of“passive effects of“passive smoking.” smoking.”Thesis 7. A thesis should not contain phrases like “in my opinion” or “I think”. Example Smoking should be outlawed because of the adverse health effects of “passive smoking.” In my opinion, smoking should be outlawed because of the adverse health effects of “passive smoking