Terrible photo, great advice. In four languages.
Value Life. Act Responsibly.
In context, the message means: do not jump in front of the MRT train.
The sign has no doubt been there a while. It used to be that the above-ground MRT stations had exposed tracks; now they have these gates that only open when the train arrives.
Still, we are reminded that suicide is a permanent solution to a temporary problem.
Update (22 Nov 2017): Here’s a more cheerful looking photo:
