In the Christian religion, grey is the color of ashes, and so a biblical symbol of mourning and repentance, described as sackcloth and ashes.
Mosaics in the basilica of the synagogue show the facade of what resembles a Torah, animals, trees, and other biblical symbols.
Some critics have linked his name to the olive tree, a biblical symbol of divine wisdom.
And this is the mistake of what might be called the fundamentalist position with respect to biblical symbols.
The Stable, Door and Garden In his image of heaven, Lewis brings together several rich biblical symbols which tie all the books together.
"I play Dorothy, so obviously that's part of why I sang it," she said, but she added that the rainbow was a biblical symbol of reassurance.
Palms are also a biblical symbol of victory.
Lions, a biblical symbol of the tribe of Judah, are associated with strength, bravery, power.
It typically includes biblical symbols and imagery.
In another vivid example, Lewis uses the same biblical symbol of water to show the regenerating power of salvation.