The second portion of Rashi on vayikra explains how a person can develop their ability to think.
By taking time to think things over. This is the key to greatness as Rav A. Miller ztl taught.
Now may be a good time for a gem of Torah study.
Gems of Torah by Rabbi Moshe Goldberger. We can use these essential "Gems" interspersed throughout our day to add vital meaning and inspiration.