~ことはない (no need to)

You can never read too many books.

You can't recommend him too much.

Even so… there's no need to go and slap me.

There's no need to suffer in silence.

She lives alone, but she never thought of herself as lonely.

So, Reiko — you have no reason to panic.

You probably won't die of electrocution just from touching a 1.5V dry cell battery.

There's no need to make waves in their marriage by tattling on them unnecessarily.

The weather probably won't turn bad next week.

You can't be too cautious.

Troublemakers don't usually turn into model citizens.

She's almost never late to school.

She almost never goes to bed before eleven.