Soonest

Danger comes soonest when it is despised.

Least said, soonest mended.

It would be very interesting if, the soonest possible, there would be the possibility to do advanced searches on the Tatoeba database.

You should do that at the soonest possible opportunity.

I don't know for sure, the soonest I can know is later this evening.

Send money soonest.