In days gone by, if you wanted water and you did not have access to a river or lake, you might have dug a well. Essentially, you dug a deep hole until you struck a water table. Then you would lower a bucket or pail into the water and pulled it up once it was filled.
In rural areas today, you might drive a well point into the ground, adding lengths of pipe, until you struck water. But there was a catch. A shallow water table might be unreliable. It might run dry at certain times of the year. Worse yet, water at that level may not have the benefit of the natural filtering process that occurs as rain or snow water seeps down.
The secret, dig deeper.
A water table at a much deeper level is more likely to be purer and cleaner. It has a better chance of coming from a natural water source that is more reliable, less likely to run dry.
The same concept might be applied to our faith. A shallow faith is more susceptible to contamination. A shallow faith is more likely to falter during times of trial. A shallow faith is less likely to provide the nourishment that you need.
Perhaps we all need to take our faith more seriously. Perhaps we need to concern ourselves less with the logical challenges to faith, and focus on the rock-solid foundation of the Christian message. Perhaps we need to stop nit-picking on the minor conflicts in the Bible and focus on the message.
Perhaps we need to dig a little deeper into our faith well until we strike the purest source.