Facts are God's arguments; we should be careful never to misunderstand or pervert them.
I have always been a sucker for ballads, but you have to be careful these days, you can't overload people.
You have to be careful of social climbers. There are a lot of potholes out there.
I try to be careful about wording. One of the things I've tried to combat in my blog is the notion that journalists are arrogant and unconcerned with the readership.
If it takes you 20 or 25 years to establish yourself in one field, you really ought to be careful not to stray too far.
There are tens of thousands of bank branches and 4,000 currency chests. We need to be careful and try that this is a number which is not a mere estimate but a verified number both physically and in the accounting sense.
It is always good to be careful or vigilant.
We should be careful not to vilify encryption itself, which is essential for privacy, data security, and global commerce.