Time is a trust, and for every minute of it you will have to account.

Be cautious, but not too cautious; do not be too much afraid of making a mistake; a man who never makes a mistake will make nothing.

A Cheerful friend is like a sunny day, which sheds its brightness on all around.

A wise system of education will at last teach us how little man yet knows, how much he has still to learn.

To render ourselves insensible to pain we must forfeit also the possibilities of happiness.

Happy indeed is the naturalist: to him the seasons come round like old friends; to him the birds sing: as he walks along, the flowers stretch out from the hedges, or look up from the ground, and as each year fades away, he looks back on a fresh store of happy memories.

All those who love Nature she loves in return, and will richly reward, not perhaps with the good things, as they are commonly called, but with the best things of this world-not with money and titles, horses and carriages, but with bright and happy thoughts, contentment and peace of mind.