The greatest obstacle to international understanding is the barrier of language.

There is really no insurmountable barrier save your own inherent weakness of purpose.

They are very, very concerned about their child's education and don't want language to be a barrier.

The joy of knowing a foreign language is inexpressible. I find it really difficult to express such joy in my mother tongue.

Every great movement in the history of Western civilization from the Carolingian age to the nineteenth century has been an international movement which owed its existence and its development to the cooperation of many different peoples.

It's not because we don't have enough capacity or we don't have enough international flights. It's because of the barrier created by taxes, customs duties and complicated clearance procedures.