Here are some quotes:
As a general rule the most successful man in life is the man who has the best information
Great services are not canceled by one act or by one single error.
Grief is the agony of an instant, the indulgence of grief the blunder of a life.
I repeat...that all power is a trust; that we are accountable for its exercise; that from the people, and for the people all springs, and all must exist.
In a progressive country change is constant; ...change... is inevitable.
Never apologize for showing feeling. When you do so, you apologize for truth.
No government can be long secure without formidable opposition.
The greatest good you can do for another is not just share your riches, but to reveal to him his own.
The wisdom of the wise, and the experience of ages, may be preserved by quotation.