It was very well to talk of, but ridiculous to put in practice.

这种事说说可以，真正付诸行动就很可笑了。

So, if you want to win people to your way of thinking, put in practice ...

所以，如果你想让对方认同你的想法，请" 自怜" 。

I think if you're willing to put the practice in and listen to the instruction, you really can learn calligraphy at whatever age you want.

我认为，如果你愿意练习和听从指导，你真的可以在任何你想要的年龄学习书法。

Still, some means must be found to cross the Atlantic on a boat, unless by balloon—which would have been venturesome, besides not being capable of being put in practice.

但是，必须想法渡过大西洋，既然目前即使是肯冒险乘汽球也没有把握能飞过大海，那就得想办法坐船过去。