No hay vida sin muerte ni placer sin pesar.
[There is no life without death nor pleasure without sorrow.]
There is no rose without a thorn. / Into each life some rain must fall.

Estar entre la espada y la pared.
[To be between the sword and the wall.]
To be between a rock and a hard place / To be between the devil and the deep blue sea / To be between Scylla and Charybdis (the last comprehensible only to those familiar with the reference to Greek mythology).

No soy la monedita de oro para caerle bien a todo el mundo.
[I am not a little gold coin that “falls well” to everyone.]
You can’t please everybody.

Pablito clavó un clavito, ¿qué clavito clavó Pablito?
[Pablo hammered in a small nail. Which small nail did Pablo nail?]
How much wood would a wood chuck chuck if a wood chuck could chuck wood.

Perro que ladra no muerde.
[A dog that barks does not bite.]
His bark is worse than his bite.
All bark no bite.

El tiempo es oro.
[Time is gold.]
Time is money.

Zapatero, a tus zapatos.
[Shoemaker, to your shoes.]
Mind your own business.