There is frequently more to be learned from the unexpected questions of a child than the discourses of men.

God, when he makes the prophet, does not unmake the man.

Words, in their primary or immediate signification, stand for nothing but the ideas in the mind of him who uses them.

The mind being, as I have declared, furnished with a great number of the simple ideas conveyed in by the senses, as they are found in exterior things, or by reflection on its own operations, take notice, also, that a certain number of these simple ideas go constantly together... which, by inadvertency, we apt afterward to talk of and condier as one simple idea.

Mathematical proofs, like diamonds, are hard and clear, and will be touched with nothing but strict reasoning.

Let the awe [the teacher] has upon [children's] minds be so tempered with the constant marks of tenderness and good will, that affection may spur them to their duty, and make them find a pleasure in complying with his dictates. This will bring them with satisfaction to their tutor; make them hearken to him, as to one who is their friend, that cherishes them, and takes pains for their good; this will keep their thoughts easy and free, whilst they are with him, the only temper wherein the mind is capable of receiving new information, and of admitting into itself those impressions.

The rising unto place is laborious, and by pains men come to greater pains; and it is sometimes base, and by indignities men come to dignities.