Whenever I climb I am followed by a dog called ‘Ego’. (Friedrich Nietzsche)

To love oneself is the beginning of a lifelong romance (Oscar Wilde)

Talent does what it can; genius does what it must. (Edward George Bulwer-Lytton)

Not everything that can be counted counts, and not everything that counts can be counted. (Albert Einstein)

There are no facts, only interpretations. (Friedrich Nietzsche)