From my point of view, it is more reasonable to support the first opinion rather than the second. 在我看来,支持第一种观点比支持第二种观点更有道理.
I cannot entirely agree with the idea that …我无法完全同意这一观点……
Personally, I am standing on the side of …就个人而言,我站在……的一边.
I sincerely believe that …我真诚地相信……
In my opinion, it is more advisable to do … than to do ….
在我个人看来,做……比做……更明智.
Finally, to speak frankly, there is also a more practical reason why …