"If you want to be a good doctor for patients, you need to devote some time to it, and if you want to have achievements in scientific research, you need to spend a lot of time in the laboratory. It is difficult to reconcile."

“In science, wherever politics got involved, the results were deplorable.”

“At a time when cancer was a rare disease, people lived shorter for other reasons. When there were no antibiotics, they often died for ordinary infections. I therefore think that the "cancer epidemic" does not result from changes in genetic predisposition or carcinogenic factors, but from the fact that in recent decades these imperfections of human nature have been revealed that were previously masked by other diseases.”

“The more times your cells divide, the greater the chance of mutations that lead to cancer. That is why the average oncological patient is a mature person or even a senior.”

“In lectures, it is important that you lecture simply. We are interested in the smartest students, and we really should take care of those who have most difficulties to understand certain concepts. I try to balance it.”

“I had very happy high school years; I was not a very diligent student, but I had good achievements – I was a winner of biology and chemistry national competition, which gave me a lot of points when I decided to take the entrance examination for medicine, not being completely convinced of the medical profession, since there was never a doctor in my family.”

“We can not predict who will develop the cancer. Cancer is a just disease – it affects everyone, regardless of whether we are poor or rich, where we live, how we live.”