Mere praise of peace is easy and ineffective. What is needed is acitve participation in the fight against war and everything which leads to it.

All our thinking is of this nature, a free play with concepts.

Without changing our pattern of thought, we will not be able to solve the problems we created with our current patterns of thought

Scientists investigate that which already is; Engineers create that which has never been.

I refuse to make money out of my science. My laurel is not for sale like so many bales of cotton.

Most teachers waste their time by asking question which are intended to discover what a pupil does not know whereas the true art of questioning has for its purpose to discover what pupils knows or is capable of knowing.

During the last century, and part of the one before, it was widely held that there was an unreconcilable conflict between knowledge and belief. The opinion prevailed amoung advanced minds that it was time that belief should be replaced increasingly by knowledge; belief that did not itself rest on knowledge was superstition, and as such had to be opposed. According to this conception, the sole function of education was to open the way to thinking and knowing, and the school, as the outstanding organ for the people's education, must serve that end exclusively.