04/12/1967
https://www.presidency.ucsb.edu...
"Mail is the vital link that bridges vast distances, bringing warmth and news and, most important, easing the pain of separation."
"This, the 15th annual report of the National Science Foundation, reflects another year of scientific growth and progress, and I am pleased to commend it to the attention of the Congress."
"We must change to master change."
"I am determined to do all we can to support their high morale."