Given below are six sentences of a passage. The first and sixth sentences are given in the beginning as SI and S6. The middle four-sentence in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences.

S1: The weak have no place here, in this life or in any other life. weakness leads to slavery.

S6: This is a great fact: strength is life, weakness is death, Strength is felicity, life eternal, immortal; weakness is constant strain and misery: weakness is death.

P: They dare not approach us, they have no power to get a hold on us, until the mind is weakened.

Q: Weakness leads to all kinds of misery, physical and mental. Weakness is death.

R: But they cannot harm us unless we become weak until the body is ready and predisposed to receive them.

S: There are hundreds of thousands of microbes surrounding us.