Chess holds its master in its own bonds, shackling the mind and brain so that the inner freedom of the very strongest must suffer.
Paper is to write things down that we need to remember. Our brains are used to think.
To obtain an assured favorable response from people, it is better to offer them something for their stomachs instead of their brains.
He who joyfully marches in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.
for those who would joyously march in rank and file, they have already earned my contempt, for they were given a large brain by accident when a spinal chord would have sufficed.
Don't let your brain interfere with your heart.
Even the scholars in various lands have been acting as if their brains had been amputated.
On quantum theory I use up more brain grease (rough translation of German idiom) than on relativity.