

Иногда разум спорит с сердцем.
Sometimes reason argues with the heart.
Философы веками спорят о природе разума.
Philosophers have argued about the nature of the mind for centuries.
Он доверяет только разуму и логике.
He trusts only reason and logic.
"разум" is in the lesson "Philosophy" (Level 44), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.