当然，根据上下文可以是同一个意思

伽利略的意思很清楚，不是说实验做得不够（举的实验已足以说明问题了），而是用推理甚至不必做实验。如果你理解不了，我再给你举一个伽利略清楚地说明推理可以代替实验的例子。

引用：

But without depending upon the above experiment, which is doubtless very conclusive, it seems to me that it ought not to be difficult to establish such a fact by reasoning alone.