In each question, the first and the last sentences of the passage are numbered S1 and S6 respectively. The rest of the passage is split into four parts. These four sentences are jumbled. Read the sentences and identify their correct and logical order.

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S1: Growing up means not only getting larger, but also using our senses and our brains to become more aware of the things around us.
P: Not only does he have a memory but he is able to think and reason.
Q: In this, man differs from all other animals.
R: Before we spray our roadside plants or turn sewage into our rivers, we should pause to think what the results of our actions are likely to be.
S: That is to say, he is able to plan what he is going to do in the light of his experience before he does it.
S6: In other words, we must develop and use our ability to reason, because the destruction or the preservation of the places in which we live depends on us.
The Proper sequence should be: