Stable Nucleus
Why is a neutron stable in an atomic nucleus (where a neutron is combined with a proton) while it is very unstable outside a nucleus?
Very Unstable: (d + u + d), a neutron alone
Stable: (d + u + d) + (u + d + u), an atomic nucleus with a proton
But it is apparent that the pair looks more stable than the standalone elementary particle if d is expressed with 10 and u with 5 following their mass.
Very Unstable: (10 + 5 + 10)
Stable: (10 + 5 + 10) + (5 + 10 + 5) => (10 + [5 + 10) + (5] + 10 + 5)
As you see, there can be two combinations (or protons) of (5 + 10 + 5) in the above stable status, if each particle moves more freely and interacts with one another more freely.
It should be noted that a proton (u + d + u) alone is very stable. In other word, (5 + 10 + 5) is very stable as the heavy quark of 10 or d supports two light quarks of u (5).
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Act 5:8 And Peter answered unto her, Tell me whether ye sold the land for so much? And she said, Yea, for so much.
Act 5:9 Then Peter said unto her, How is it that ye have agreed together to tempt the Spirit of the Lord? behold, the feet of them which have buried thy husband are at the door, and shall carry thee out.
Act 5:10 Then fell she down straightway at his feet, and yielded up the ghost: and the young men came in, and found her dead, and, carrying her forth, buried her by her husband.
Act 5:11 And great fear came upon all the church, and upon as many as heard these things.
Act 5:12 And by the hands of the apostles were many signs and wonders wrought among the people; (and they were all with one accord in Solomon's porch.
Act 5:13 And of the rest durst no man join himself to them: but the people magnified them.
Act 5:14 And believers were the more added to the Lord, multitudes both of men and women.)