1. S₁: Primitive man was helpless and weak.
S₆: Thday the knowledge gained from science has armed him with superhuman strength.

P: He conceived of some divinity behing this.
Q: As ages passed, he began to think and to investigate nature's mysteries.
R: He bowed down before natural phenomena.
S: The flash of lightning, the clap of thunder struck him with awe.

2. S₁: We don't see many banyan trees in our cities now-a- days.
S₆: And every village has at least one.

P: But in our overcrowded cities, where there is barely enough living space for people, banyan trees don't have much of a chance.
Q: These trees like to have plenty of space in which to spread themselves out.
R: Of course, many parks have banyan trees.
S: After all, a full grown banyan takes up as large an area as a three-storey apartment building.

3. S₁: Frozen foods are so popular today that many people wonder how they ever lived without them.
S₆: Now refrigerators and deep freezers preserve many foods that could not be kept any other way.

P: Near the North Pole, where the ground stays frozen all the year around, there is no problem ,of preserving foods.
Q: Actually, people who live in cool climates.have had frozen foods for a long time.
R: Ice helped them when they could get it, -but they couldn't get,it very often.
S: But people who live in warm climates have not always been able to keep food fi-esh.

4. S₁: Plastic containers are being used more and more to package soft drinks, milk, oil, fruit juices, ketchup, etc.
S₆: Yet as plastics do not decompose by bacteria or naturally in the air, they are a big threat to the environment.

P: Most people think that this is the right thing to do, as it is economical.
Q: Plastic containers are cheap and light.
R: It is easier to transport materials packaged in them than in glass bottles.
S: They also involve theleast transport costs.

5. S₁: Let me elaborate a little on what I mean by a properly channelled scientific approach.
S₆: And of course, there are soldiers, commandos, to say nothing of intelligence men, besides many others who do their bit to make a successful attack.

P: There are planners deciding the strategy.
Q: In a major war, there are several different operations involved.
R: There are complex issues involving kations between different commun nerve centres.
S: There are factories producing the required armaments.

6. S₁: Those are fortunate people who have good, true and faithful hiends.
S₆: It must be borne in mind that prosperity breeds and multiplies friends and adversity tests them.

P: It is a sacred attachment,or a bond of intimacy between two persons of a congenial mind.
Q: True friendship increases - our happiness in prosperity and diminishes our misery in adversity.
R: Friendship often . springs from similarity of taste, f~,elings and sentiments.
S: However, true friendship should be based on truth and such vices as selfishness, greed and falsehood should be kept out of it.

7. S₁: The Third Five - Year Plan ran into rough weather from the very start.
S₆: The government had to resort to devaluation of the rupee.

P: Large funds had to be diverted from development to defence.
Q: Food situation became critical and prices began to rise steep after the Indo - Pak conflict.
R: During this period, there was also the war with Pakistan in 1965.
S: There was the China War in 1962 which completely upset our economy.

8. S₁: And then Gandhi came.
S₆: Political freedom took new shape then and acquired a new content then.

P: Get off the backs. of these peasants and workers, he told us, all you who live by their exploitation.
Q: He was like a powerful current of fresh air, like a beam of light, like a whirlwind that upset many things.
R: He spoke - their language and constantly drew their attention to their appalling conditions.
S: He didn't descend from the top, he seemed to emerge from the masses of India.

9. S₁: Of course, it is silly to try to overcome fears that keep us from destroying ourselves.
S₆: The only fears you need to avoid are silly fears which prevent you from doing what you should do.

P: This is sensible.
Q: You wait until it is out of the way before crossing.
R: You need some fears to keep you from doing foolish things.
S: You are afraid of an automobile coming rapidly down the street you wish to cross.

10. S₁: The art of growing old is one which the passage of time has forced upon my attention.
S₆: This is not always easy; one's own past is a gradually increasing weight.

P: One of these is undue absorption in the past.
Q: One's thoughts must be directed to the future and to things about which there is something to be done.
R: Psychologically, there are two dangers to be guarded against in old age.
S: It does not do to live in memories, in regrets for the good old days, or in sadness -about friends who are dead.