他的所见所闻使他内心大为震动。 His mind was reeling with all that he had seen and heard.
正因如此，今天从事写作的男女青年已经忘记了人类内心的冲突。而这本身就能就好作品。因为这是唯一值得写、值得呕心沥血地去写的题材。 Because of this, the young man or woman writing today has forgotten the problems of the human heart in conflict with itself, which alone can make good writing because only that is worth writing about, worth the agony and the sweat.
我内心充满喜悦。 My heart swam with joy.
勇气发自内心，不靠人多势众。 Courage from heart, and not from numbers, grow.
他的确有一副严肃的脸孔，但内心却是很富幽默感。 Indeed he has a solemn face, but he is very humorous at heart.