Dear Sir

I sh^d. have been very glad to have aided you in any degree, if it had been in my power.—¹ But to answer your question, would require an essay, & for this I have not strength being much out of health. Nor indeed could I have answered it distinctly & satisfactorily with any amount of strength.

The strongest argument for the existence of God, as it seems to me, is the instinct or intuition which we all (as I suppose) feel that there must have been an intelligent designer of the Universe; but then comes the doubt & difficulty whether such intuitions are trustworthy.—

I have touched on one point of difficulty in the two last pages of my “Variation of Animals & Plants under Domestication”, but I am forced to leave the problem insoluble.—²

No man who does his duty has anything to fear, & may hope for whatever he earnestly desires.—

Dear Sir | Yours faithfully | Ch. Darwin

Your letter dated March 6^th was received only this morning.—