B4

It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change. (Charles Darwin)
(степени сравнения прилагательных)

STRONG

INTELLIGENT

RESPONSIVE

B5

Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult - at least I have found it so - than constantly to bear this conclusion in mind. (Charles Darwin)
(степени сравнения прилагательных)

 EASY

 DIFFICULT

A man's friendships are one of the best measures of his worth. (CharlesDarwin)
(степени сравнения прилагательных)

GOOD

B6

The highest possible stage in normal culture is when we recognize that we ought to control our thoughts. (Charles Darwin)
(степени сравнения прилагательных)

 HIGH

B7

The love for all living creatures is the most noble attribute of man. (Charles Darwin)
(степени сравнения прилагательных)

 NOBLE