One today is worth two tomorrows.

There never was a good knife made of bad steel.

Watch the little things; a small leak will sink a great ship.

Experience keeps a dear school, but fools will learn in no other.

Tell me and I forget. Teach me and I remember. Involve me and I learn.

Do not anticipate trouble or worry about what may never happen. Keep in the sunlight.

Happiness depends more on the inward disposition of mind than on outward circumstances.

The game of chess is not merely an idle amusement. Several very valuable qualities of the mind, useful in the course of human life, are to be acquired and strengthened by it.