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…