There is in us a lyric germ or nucleus which deserves respect; it bids a man to ponder or create; and in this dim corner of himself he can take refuge and find consolations which the society of his fellow creatures does not provide. - Norman Douglas
REALITY, n. The dream of a mad philosopher. That which would remain in the cupel if one should assay a phantom. The nucleus of a vacuum. - Ambrose Bierce
The family is the nucleus of civilization. - Will Durant
A spirit is like a nucleus of an atom—invisible but infinite. - Debasish Mridha
If, as I have reason to believe, I have disintegrated the nucleus of the atom, this is of greater significance than the war.[Apology to the international anti-submarine committee for being absent from several meetings during World War I.] - Ernest Rutherford