Isaiah 50:4
"The Lord GOD hath given me the tongue of the learned, that I should know how to speak a word in season to him that is weary: he wakeneth morning by morning, he wakeneth mine ear to hear as the learned."
Cross References (ranked by relevance)
For I will give you a mouth and wisdom, which all your adversaries shall not be able to gainsay nor resist.
Then the LORD put forth his hand, and touched my mouth. And the LORD said unto me, Behold, I have put my words in thy mouth.
A word fitly spoken is like apples of gold in pictures of silver.
A man hath joy by the answer of his mouth: and a word spoken in due season, how good is it!
Cause me to hear thy lovingkindness in the morning; for in thee do I trust: cause me to know the way wherein I should walk; for I lift up my soul unto thee.
I prevented the dawning of the morning, and cried: I hoped in thy word.
My voice shalt thou hear in the morning, O LORD; in the morning will I direct my prayer unto thee, and will look up.
And no man was able to answer him a word, neither durst any man from that day forth ask him any more questions.
The officers answered, Never man spake like this man.
And all bare him witness, and wondered at the gracious words which proceeded out of his mouth. And they said, Is not this Joseph’s son?
And when he was come into his own country, he taught them in their synagogue, insomuch that they were astonished, and said, Whence hath this man this wisdom, and these mighty works?
Come unto me, all ye that labour and are heavy laden, and I will give you rest.
Thou art fairer than the children of men: grace is poured into thy lips: therefore God hath blessed thee for ever.