"That which is impenetrable to us really exists. Behind the secrets of nature remains something subtle, intangible, and inexplicable. Veneration for this force beyond anything that we can comprehend is my religion."
"Whoever is careless with the truth in small matters cannot be trusted with important matters"
"Gravitation is not responsible for people falling in love."
"It is harder to crack prejudice than an atom."
"Strange is our situation here on Earth. Each of us comes for a short visit, not knowing why, yet sometimes seeming to divine a purpose. From the standpoint of daily life, however, there is one thing we do know: that man is here for the sake of other men - above all for those upon whose smiles and well-being our own happiness depends."
"Wisdom is not a product of schooling but of the lifelong attempt to acquire it."