President Lorenzo Snow taught,

If we expect to improve, to advance in the work immediately before us, and finally to obtain possession of those gifts and glories, coming up to that condition of exaltation we anticipate, we must take thought and reflect, we must exert ourselves, and that too to the utmost of our ability.

Teachings of the Presidents of the Church
Chapter 3: Lifelong Conversion: Continuing to Advance in the Principles of Truth