“Let us overthrow the totems, break the taboos. Or better, let us consider them cancelled. Coldly, let us be intelligent.”
Approaches to Politics (1970)
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Pierre Trudeau 53
15th Prime Minister of Canada 1919–2000Related quotes

“Let us be English or let us be French… but above all let us be Canadians”
http://www.canadianwild.ca/canadiana/sirjohn.html
Undated

“Let them hate us as long as they fear us.”
“Let us consider the reason of the case. For nothing is law that is not reason.”
Coggs vs. Bernard, Lord Raymond, 911, reported in Bartlett's Familiar Quotations, 10th ed. (1919). Compare: "Reason is the life of the law; nay, the common law itself is nothing else but reason... The law, which is perfection of reason", Edward Coke, First Institute.

Source: The Postmodern Condition: A Report on Knowledge (1977), p.82

1960s, I've Been to the Mountaintop (1968)
Context: Let us rise up tonight with a greater readiness. Let us stand with a greater determination. And let us move on in these powerful days, these days of challenge to make America what it ought to be. We have an opportunity to make America a better nation. And I want to thank God, once more, for allowing me to be here with you.

The Saviors of God (1923)
Context: I strive to discover how to signal my companions before I die, how to give them a hand, how to spell out for them in time one complete word at least, to tell them what I think this procession is, and toward what we go. And how necessary it is for all of us together to put our steps and hearts in harmony.
To say in time a simple word to my companions, a password, like conspirators.
Yes, the purpose of Earth is not life, it is not man. Earth has existed without these, and it will live on without them. They are but the ephemeral sparks of its violent whirling.
Let us unite, let us hold each other tightly, let us merge our hearts, let us create — so long as the warmth of this earth endures, so long as no earthquakes, cataclysms, icebergs or comets come to destroy us — let us create for Earth a brain and a heart, let us give a human meaning to the superhuman struggle.
This anguish is our second duty.

“Let us consider the way in which we spend our lives.”
Life Without Principle (1863)
Context: I will not talk about people a thousand miles off, but come as near home as I can. As the time is short, I will leave out all the flattery, and retain all the criticism.
Let us consider the way in which we spend our lives.

Remarks at "Loyola College Alumni Banquet, Baltimore, Maryland (18 February 1958) http://www.jfklibrary.org/Research/Research-Aids/Ready-Reference/JFK-Quotations.aspx; Box 899, Senate Speech Files, John F. Kennedy Papers, Pre-Presidential Papers, John F. Kennedy Presidential Library
Pre-1960