[Grammar] I had learnt that sometimes things could be better than we thought.

[dorax]

I had learnt that sometimes things could be better than we thought.
Are the tenses used in the above sentence correct or we should write:
I had learnt that sometimes things can turn out to be better than we think.
Thanks!

 

[Matthew Wai]

I have learnt that sometimes things can turn out to be better than expected.