Reference for Bava Batra 258:8

תיובתא דכולהו תיובתא

for this<span class="x" onmousemove="('comment',' The vague expression, 'shall be yours'. ');">²²</span> is not a [specific] expression of 'gift' but [rather] of 'inheritance'<span class="x" onmousemove="('comment',' Since the person is a legal heir. ');">²³</span> and an inheritance cannot be terminated.<span class="x" onmousemove="('comment',' An estate, once bequeathed by a father to one of his heirs, becomes the absolute property of that heir, from whom it is transmitted to his own heirs. The father has no right to interrupt his succession by appointing any other person as second heir. ');">²⁴</span>

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