Akademik

Не все ровно - есть и горы и овраги
The way through life is not always easy. See Жизнь протянется - всего достанется (Ж)
Cf: Every path has a puddle (Am., Br.). Every path has its puddle (Am.). Every road has hills to be climbed (Am.). You must take the rough with the smooth (the sour with the sweet) (Am., Br.)

Русско-английский словарь пословиц и поговорок. . 2013.