"Darwinism as presented by Darwin contradicted idealistic philosophy, and this contradiction grew deeper with the development of its materialist teaching"

"The philosophy of one century is the common sense of the next"

"A teacher who is not dogmatic is simply a teacher who is not teaching"

"Learning and teaching should not stand on opposite banks and just watch the river flow by; instead, they should embark together on a journey down the water. Through an active, reciprocal exchange, teaching can strengthen learning how to learn"

"Good teaching is one-fourth preparation and three-fourths pure theatre"

"I am now convinced that theoretical physics is actually philosophy"

"The philosophy of the school room in one generation will be the philosophy of government in the next"

"The first step in the acquisition of wisdom is silence, the second listening, the third memory, the fourth practice, the fifth teaching others"

"Truth is the object of philosophy, but not always of philosophers"

"Design is not for philosophy it's for life"

"Teaching is not a lost art, but the regard for it is a lost tradition"