What was the name of the song with these lyrics and who was the group? It is a British grp. from the 60's..?

Question

"When shadows fall,you must prepare yourself for sunshine.
For everything there is an end. And so my friend you must be brave."
(This is the middle eight.)

Answer 1

The Door Swings Both Ways by Herman's Hermits

Answer 2

Seasons in the Sun by Terry Jacks