Without books, I would certainly die.

The introduction of so powerful an agent as steam [to a carriage on wheels] will make a great change in the situation of man.

In a world which furnishes so many employments which are useful, and so many which are amusing, it is our own fault if we ever know what ennui [boredom] is, or if we are ever driven to the miserable resource of gaming, which corrupts our dispositions, and teaches us a habit of hostility against all mankind.

music, drawing, books, invention & exercise will be so many resources to you against ennui.

Be assured that it gives much more pain to the mind to be in debt, than to do without any article whatever which we may seem to want.

The Constitution on which our Union rests, shall be administered by me [as President] according to the safe and honest meaning contemplated by the plain understanding of the people of the United States at the time of its adoption - a meaning to be found in the explanations of those who advocated, not those who opposed it, and who opposed it merely lest the construction should be applied which they denounced as possible.

To seek out the best [persons to serve in the government] though the whole Union, we must resort to the information which from the best of men, acting disinterestedly and with ther purest motives, is something incorrect....No duty the Executive had to perform was so trying as to put the right man in the right place.