From small acorns mighty oak trees grow.
The Sun
Beech, yew, even the mighty oak are all vulnerable.
Times, Sunday Times
But there's no way that a tiny sapling can replace a mighty oak.
Times, Sunday Times
It's good in a trough where it can tower like a mighty oak over tiny alpines.
Times, Sunday Times
Houses with tiny entrances clustered around the foot or low on the trunk of a mighty oak open out into gothic splendour.
Times, Sunday Times