There is an old Chinese saying, "How can you catch tiger cubs without entering the tiger's lair" This saying holds true for man's practice and it also holds true for theory knowledge.

中国有句古话：“不入虎穴，焉得虎子”，这句话对于人们的实践是真理，对于认识论也是真理。

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If it is built, Muslims entering would catch sight of a small church next door, the two religions finally operating officially shoulder to shoulder.

BBC: Athens - the EU capital city without a mosque