The falsity of his words became clear to everyone.

It's not clear why he left.

I shot an arrow into the air, It fell to earth, I know not where.
(H.W. Longfellow)

I wanted to tell you about two new members of John's and my family. They're two little cats named Palu and Lukan. They're brother and sister. I think you can understand what source those two names come from. It's clear, isn't it?

The advantage of that action is clear.

Please improve this explanation. It's not at all clear.

Since that ikran wants to kill you, it's clear it's still not tame.

Unfortunately the flawed nature of this plan is obvious to everyone.

It's clear to everyone that his son is very cute. But cuteness alone isn't enough.

It's not clear why they left.

At the time that your Spirit Animal has come, it will be clear to you.
(When your Spirit Animal comes, you will know.)