The thinking that got us to where we are is not the thinking that will get us to where we want to be.
Only the one who does not question is safe from making a mistake.
Once we accept our limits, we go beyond them.
I no longer believed in the known God of the Bible, but rather in the mysterious God expressed in nature.
Solitude is painful when one is young, but delightful when one is more mature.
If you want different results, do not do the same things.