A mental stain can neither be blotted out by the passage of time nor washed away by any waters. – Cicero

When I feel well and in a good humor, or when I am taking a drive or walking after a good meal, or in the night when I cannot sleep, thoughts crowd into my mind as easily as you could wish. – Wolfgang Amadeus Mozart

Every thought we have is a form of energy that continues to exist forever. – Pim van Lommel

Creative minds are rarely tidy. – John William Gardner, “Self-Renewal: The Individual and the Innovative Society,”