If the worker has consecrated himself fully to God and is diligent in prayer for strength and heavenly wisdom, the grace of Christ will be his teacher, and he will overcome his defects and become more and more intelligent in the things of God. But let none take license from this to be indolent, to squander time and opportunities, and neglect the training that is essential in order to become efficient. The Lord is not pleased with those who, having had opportunities to obtain knowledge, neglect to improve the privileges placed within their reach.... CT 510.1
Above all other people on earth the man whose mind is enlightened by the word of God will feel that he must give himself to greater diligence in the perusal of the Bible and to a diligent study of the sciences, for his hope and his calling are greater than any other. The more closely man is connected with the Source of all knowledge and wisdom, the more he can be helped intellectually as well as spiritually. The knowledge of God is the essential education, and this knowledge every true worker will make it his constant study to obtain. CT 510.2