This is the 1891st most frequent Japanese word.
確信
Conviction; confidence; firm belief.
In this sentence, '確信' is used to indicate a strong belief or conviction that something is true.
彼は彼女が嘘をついていることを確信しています。
He is convinced that she is lying.
Here, '確信' refers to a personal assurance or confidence about a specific matter.
その結果に間違いがないと確信しています。
I am confident that there is no mistake in the results.
In this example, '確信' expresses a determined belief that motivates one's actions.