1. To hear is to understand the truth.
2. To hear is to not err from the truth.
3. To hear is to retain the truth.
24 And he said unto them, Take heed what ye hear: with what measure ye mete, it shall be measured to you: and unto you that hear shall more be given. 25 For he that hath, to him shall be given: and he that hath not, from him shall be taken even that which he hath.