The conclusions derived from experiments showed deviation from the common rule.
Some achievements
(P) have made
(Q) happier and more comfortable
(R) of science
(S) human life
A person who pretends to have more knowledge or skill than he really has.
The man
(P) is generally the one
(Q) who can work very had
(R) when he must work
(S) who can play most heartily when he has the chance of playing