The phrase "a light to guide" is correct and usable in written English.
It can be used metaphorically to describe something that provides direction, clarity, or inspiration in a situation.
Example: "In times of uncertainty, her wisdom served as a light to guide us through the darkness."
Alternatives: "a beacon to lead" or "a source of guidance".
I liked the idea of a confusion between a light to guide you home and what the beam from a lighthouse signifies.
Almost by definition, they are infinitely meaningful to some people, and this has been the case for centuries.But that raises the question of whether it is worthwhile, or possible, to convey to children the idea that there might be a category of story which is neither "real" nor "pretend" but which nonetheless offers many people a light to guide their lives.
Another example is in the first stanza of William Wordsworth's poem "Ode to Duty": Stern Daughter of the Voice of God! O Duty! if that name thou love Who are a light to guide, a rod To check the erring, and reprove; Thou, who art victory and law When empty terrors overawe; From vain temptations dost set free; And calm'st the weary strife of frail humanity!
There's an emotional depth and relevance here that extends beyond merely the world of this hero and her supporting characters, speaking so forcefully to our real need for hope and faith and a light to guide us through the darkness that too often falls across our world.
We'll line our walkway with these paper lanterns to give our trick-or-treaters a light to guide the way.
This statue is believed to have been over 100 feet high, and it similarly stood at a harbor entrance and carried a light to guide ships.
If you arrive around dusk, there'll be a little light to guide you to your chosen spot.
Even a real-life variation of the science-fiction film "Fantastic Voyage" might be possible, but instead of a miniature Raquel Welch traveling through a patient's veins in a tiny submarine, this adventure would feature silicon microchips using their own laser light to guide a path through the human body and diagnose medical problems.
Light to guide in an analysis of the contentions concerning the asserted repugnancy of the section to the Constitution will be afforded by giving at once the merest outline of some of the comprehensive provisions of the act of which it forms a part.
It then took off completely in the dark, save for a few seconds of runway lights to guide it out.
Flares were lit to guide traffic.
