"I would have thought it possible to choose delegates for these larger conferences who, even if they could not speak the principal languages, could at least understand them or could have friends seated beside them who could keep them informed on essential points"

This quote by Fredrik Bajer is describing the importance of language in international conferences. He is recommending that delegates should be picked who can comprehend the main languages spoken at the conference, or have somebody with them who can help them understand the essential points. This is very important because it enables much better interaction and understanding in between the delegates, which is necessary for effective negotiations. Bajer is highlighting the value of language in worldwide conferences, and how it can be a barrier to successful negotiations if delegates are unable to understand each other. He is recommending that delegates ought to be picked who can comprehend the primary languages spoken at the conference, or have somebody with them who can assist them comprehend the important points. This would ensure that all delegates have the ability to communicate effectively and comprehend each other, which is necessary for effective settlements.