Answer:
•We must teach science in the mother tongue.
•The essence of science is independent thinking, hard work, and not equipment.
•I would like to tell the young men and women before me not to lose hope and courage.
•The essence of science is independent thinking, hard work, and not equipment. When I got my Nobel Prize, I had spent hardly 200 rupees on my equipment.
•We must teach science in the mother tongue. Otherwise, science will become a highbrow activity. It will not be an activity in which all people can participate.