1. All attempts failed to bring forth any statement which looked in anyway like a confession to those doubts which he privately acknowledged himself.
2. He could conceive of men going very insignificantly about the world bearing a load of courage unseen.
3. It turns out that studies have been conducted to answer the question of difference - not in perception, but in makeup.
4. But still it was believed that yellow and blue would make a green, though not that of the spectrum.
( 이 문장은 앞에는 이해가가는데, 뒤에 though부터 문법이 이해가 안가요....)
5. Much of the light coming from one powder falls on particles of the other, and we receive only thatportion which has escaped absorption by one or other.