Energy will do anything that can be done in this world.
A useless life is an early death.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Let him who believes in immortality enjoy his happiness in silence; he has no reason to give himself airs about it.
A plant is like a self-willed man, out of whom we can obtain all which we desire, if we will only treat him his own way.
It is in self-limitation that a master first shows himself.