In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct

1. Giving advice is a difficult task.

P. Moreover one doesn't know oneself, amid ambiguity, how can one know others.

Q. It is a wonder how such people like politicians, reformers and people suchlike are so confident as to invent measures to live their life.

R. Life is but one and mistakes are often irrepairable.

S. Unless he knows another person, how can he advise?

6. I find it very difficult to give advice.